Clinical and imaging findings of discharged patients with SARS-CoV-2 positive anal swab samples: a descriptive study.
Identifieur interne : 000398 ( Main/Corpus ); précédent : 000397; suivant : 000399Clinical and imaging findings of discharged patients with SARS-CoV-2 positive anal swab samples: a descriptive study.
Auteurs : Hui Zhou ; Liping Zhu ; Yueshuang Leng ; Dongcui Wang ; Harrison X. Bai ; Zeng Xiong ; Linbo Shi ; Weihua LiaoSource :
- BMC infectious diseases [ 1471-2334 ] ; 2020.
English descriptors
- KwdEn :
- Adolescent (MeSH), Adult (MeSH), Aged (MeSH), Anal Canal (virology), Betacoronavirus (genetics), Betacoronavirus (isolation & purification), Child (MeSH), Child, Preschool (MeSH), China (epidemiology), Coronavirus Infections (diagnostic imaging), Coronavirus Infections (epidemiology), Coronavirus Infections (virology), Fever (MeSH), Hospitalization (MeSH), Hospitals (MeSH), Humans (MeSH), Male (MeSH), Middle Aged (MeSH), Pandemics (MeSH), Patient Discharge (statistics & numerical data), Pneumonia, Viral (diagnostic imaging), Pneumonia, Viral (epidemiology), Pneumonia, Viral (virology), RNA, Viral (analysis), Reverse Transcriptase Polymerase Chain Reaction (MeSH), Severe Acute Respiratory Syndrome (diagnostic imaging), Severe Acute Respiratory Syndrome (epidemiology), Severe Acute Respiratory Syndrome (virology), Tomography, X-Ray Computed (MeSH), Young Adult (MeSH).
- MESH :
- chemical , analysis : RNA, Viral.
- geographic , epidemiology : China.
- diagnostic imaging : Coronavirus Infections, Pneumonia, Viral, Severe Acute Respiratory Syndrome.
- epidemiology : Coronavirus Infections, Pneumonia, Viral, Severe Acute Respiratory Syndrome.
- genetics : Betacoronavirus.
- isolation & purification : Betacoronavirus.
- statistics & numerical data : Patient Discharge.
- virology : Anal Canal, Coronavirus Infections, Pneumonia, Viral, Severe Acute Respiratory Syndrome.
- Adolescent, Adult, Aged, Child, Child, Preschool, Fever, Hospitalization, Hospitals, Humans, Male, Middle Aged, Pandemics, Reverse Transcriptase Polymerase Chain Reaction, Tomography, X-Ray Computed, Young Adult.
Abstract
BACKGROUND
To explore the clinical features and CT findings of clinically cured coronavirus disease 2019 (COVID-19) patients with viral RNA positive anal swab results after discharge.
METHODS
Forty-two patients with COVID-19 who were admitted to Yongzhou Central Hospital, Hunan, China, between January 20, 2020, and March 2, 2020, were tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using anal swab viral RT-PCR. In this report, we present the clinical characteristics and chest CT features of six patients with positive anal swab results and compare the clinical, laboratory, and CT findings between the positive and negative groups.
RESULTS
The anal swab positivity rate for SARS-CoV-2 RNA in discharged patients was 14.3% (6/42). All six patients were male. In the positive group, 40% of the patients (2/5) had a positive stool occult blood test (OBT), but none had diarrhea. The median duration of fever and major symptoms (except fever) in the positive patients was shorter than that of the negative patients (1 day vs. 6 days, 4.5 days vs. 10.5 days, respectively). The incidence of asymptomatic cases in the positive group (33.3%) was also higher than that of the negative group (5.6%). There were no significant differences in the CT manifestation or evolution of the pulmonary lesions between the two groups.
CONCLUSION
In our case series, patients with viral RNA positive anal swabs did not exhibit gastrointestinal symptoms, and their main symptoms disappeared early. They had similar CT features to the negative patients, which may be easier to be ignored. A positive OBT may indicate gastrointestinal damage caused by SARS-CoV-2 infection.
DOI: 10.1186/s12879-020-05363-2
PubMed: 32873230
PubMed Central: PMC7461154
Links to Exploration step
pubmed:32873230Le document en format XML
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Bai</name><affiliation><nlm:affiliation>Department of Diagnostic Imaging, Rhode Island Hospital, Providence, Providence, RI, 02903, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Xiong, Zeng" sort="Xiong, Zeng" uniqKey="Xiong Z" first="Zeng" last="Xiong">Zeng Xiong</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Shi, Linbo" sort="Shi, Linbo" uniqKey="Shi L" first="Linbo" last="Shi">Linbo Shi</name><affiliation><nlm:affiliation>Department of Radiology, Yongzhou Central Hospital, Yongzhou, 425006, Hunan, China. 692906369@qq.com.</nlm:affiliation></affiliation></author><author><name sortKey="Liao, Weihua" sort="Liao, Weihua" uniqKey="Liao W" first="Weihua" last="Liao">Weihua Liao</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. owenliao@csu.edu.cn.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Molecular Imaging Research Center of Central South University, Changsha, 410008, China. owenliao@csu.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2020">2020</date><idno type="RBID">pubmed:32873230</idno><idno type="pmid">32873230</idno><idno type="doi">10.1186/s12879-020-05363-2</idno><idno type="pmc">PMC7461154</idno><idno type="wicri:Area/Main/Corpus">000398</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000398</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Clinical and imaging findings of discharged patients with SARS-CoV-2 positive anal swab samples: a descriptive study.</title><author><name sortKey="Zhou, Hui" sort="Zhou, Hui" uniqKey="Zhou H" first="Hui" last="Zhou">Hui Zhou</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhu, Liping" sort="Zhu, Liping" uniqKey="Zhu L" first="Liping" last="Zhu">Liping Zhu</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Leng, Yueshuang" sort="Leng, Yueshuang" uniqKey="Leng Y" first="Yueshuang" last="Leng">Yueshuang Leng</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Dongcui" sort="Wang, Dongcui" uniqKey="Wang D" first="Dongcui" last="Wang">Dongcui Wang</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Bai, Harrison X" sort="Bai, Harrison X" uniqKey="Bai H" first="Harrison X" last="Bai">Harrison X. Bai</name><affiliation><nlm:affiliation>Department of Diagnostic Imaging, Rhode Island Hospital, Providence, Providence, RI, 02903, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Xiong, Zeng" sort="Xiong, Zeng" uniqKey="Xiong Z" first="Zeng" last="Xiong">Zeng Xiong</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</nlm:affiliation></affiliation></author><author><name sortKey="Shi, Linbo" sort="Shi, Linbo" uniqKey="Shi L" first="Linbo" last="Shi">Linbo Shi</name><affiliation><nlm:affiliation>Department of Radiology, Yongzhou Central Hospital, Yongzhou, 425006, Hunan, China. 692906369@qq.com.</nlm:affiliation></affiliation></author><author><name sortKey="Liao, Weihua" sort="Liao, Weihua" uniqKey="Liao W" first="Weihua" last="Liao">Weihua Liao</name><affiliation><nlm:affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. owenliao@csu.edu.cn.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Molecular Imaging Research Center of Central South University, Changsha, 410008, China. owenliao@csu.edu.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">BMC infectious diseases</title><idno type="eISSN">1471-2334</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent (MeSH)</term><term>Adult (MeSH)</term><term>Aged (MeSH)</term><term>Anal Canal (virology)</term><term>Betacoronavirus (genetics)</term><term>Betacoronavirus (isolation & purification)</term><term>Child (MeSH)</term><term>Child, Preschool (MeSH)</term><term>China (epidemiology)</term><term>Coronavirus Infections (diagnostic imaging)</term><term>Coronavirus Infections (epidemiology)</term><term>Coronavirus Infections (virology)</term><term>Fever (MeSH)</term><term>Hospitalization (MeSH)</term><term>Hospitals (MeSH)</term><term>Humans (MeSH)</term><term>Male (MeSH)</term><term>Middle Aged (MeSH)</term><term>Pandemics (MeSH)</term><term>Patient Discharge (statistics & numerical data)</term><term>Pneumonia, Viral (diagnostic imaging)</term><term>Pneumonia, Viral (epidemiology)</term><term>Pneumonia, Viral (virology)</term><term>RNA, Viral (analysis)</term><term>Reverse Transcriptase Polymerase Chain Reaction (MeSH)</term><term>Severe Acute Respiratory Syndrome (diagnostic imaging)</term><term>Severe Acute Respiratory Syndrome (epidemiology)</term><term>Severe Acute Respiratory Syndrome (virology)</term><term>Tomography, X-Ray Computed (MeSH)</term><term>Young Adult (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>RNA, Viral</term></keywords><keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Coronavirus Infections</term><term>Pneumonia, Viral</term><term>Severe Acute Respiratory Syndrome</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Coronavirus Infections</term><term>Pneumonia, Viral</term><term>Severe Acute Respiratory Syndrome</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Betacoronavirus</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Betacoronavirus</term></keywords><keywords scheme="MESH" qualifier="statistics & numerical data" xml:lang="en"><term>Patient Discharge</term></keywords><keywords scheme="MESH" qualifier="virology" xml:lang="en"><term>Anal Canal</term><term>Coronavirus Infections</term><term>Pneumonia, Viral</term><term>Severe Acute Respiratory Syndrome</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Child</term><term>Child, Preschool</term><term>Fever</term><term>Hospitalization</term><term>Hospitals</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Pandemics</term><term>Reverse Transcriptase Polymerase Chain Reaction</term><term>Tomography, X-Ray Computed</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>To explore the clinical features and CT findings of clinically cured coronavirus disease 2019 (COVID-19) patients with viral RNA positive anal swab results after discharge.</p></div><div type="abstract" xml:lang="en"><p><b>METHODS</b></p><p>Forty-two patients with COVID-19 who were admitted to Yongzhou Central Hospital, Hunan, China, between January 20, 2020, and March 2, 2020, were tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using anal swab viral RT-PCR. In this report, we present the clinical characteristics and chest CT features of six patients with positive anal swab results and compare the clinical, laboratory, and CT findings between the positive and negative groups.</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>The anal swab positivity rate for SARS-CoV-2 RNA in discharged patients was 14.3% (6/42). All six patients were male. In the positive group, 40% of the patients (2/5) had a positive stool occult blood test (OBT), but none had diarrhea. The median duration of fever and major symptoms (except fever) in the positive patients was shorter than that of the negative patients (1 day vs. 6 days, 4.5 days vs. 10.5 days, respectively). The incidence of asymptomatic cases in the positive group (33.3%) was also higher than that of the negative group (5.6%). There were no significant differences in the CT manifestation or evolution of the pulmonary lesions between the two groups.</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSION</b></p><p>In our case series, patients with viral RNA positive anal swabs did not exhibit gastrointestinal symptoms, and their main symptoms disappeared early. They had similar CT features to the negative patients, which may be easier to be ignored. A positive OBT may indicate gastrointestinal damage caused by SARS-CoV-2 infection.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">32873230</PMID><DateCompleted><Year>2020</Year><Month>09</Month><Day>07</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>07</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1471-2334</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>1</Issue><PubDate><Year>2020</Year><Month>Sep</Month><Day>01</Day></PubDate></JournalIssue><Title>BMC infectious diseases</Title><ISOAbbreviation>BMC Infect Dis</ISOAbbreviation></Journal><ArticleTitle>Clinical and imaging findings of discharged patients with SARS-CoV-2 positive anal swab samples: a descriptive study.</ArticleTitle><Pagination><MedlinePgn>644</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/s12879-020-05363-2</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">To explore the clinical features and CT findings of clinically cured coronavirus disease 2019 (COVID-19) patients with viral RNA positive anal swab results after discharge.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Forty-two patients with COVID-19 who were admitted to Yongzhou Central Hospital, Hunan, China, between January 20, 2020, and March 2, 2020, were tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using anal swab viral RT-PCR. In this report, we present the clinical characteristics and chest CT features of six patients with positive anal swab results and compare the clinical, laboratory, and CT findings between the positive and negative groups.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The anal swab positivity rate for SARS-CoV-2 RNA in discharged patients was 14.3% (6/42). All six patients were male. In the positive group, 40% of the patients (2/5) had a positive stool occult blood test (OBT), but none had diarrhea. The median duration of fever and major symptoms (except fever) in the positive patients was shorter than that of the negative patients (1 day vs. 6 days, 4.5 days vs. 10.5 days, respectively). The incidence of asymptomatic cases in the positive group (33.3%) was also higher than that of the negative group (5.6%). There were no significant differences in the CT manifestation or evolution of the pulmonary lesions between the two groups.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">In our case series, patients with viral RNA positive anal swabs did not exhibit gastrointestinal symptoms, and their main symptoms disappeared early. They had similar CT features to the negative patients, which may be easier to be ignored. A positive OBT may indicate gastrointestinal damage caused by SARS-CoV-2 infection.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhou</LastName><ForeName>Hui</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhu</LastName><ForeName>Liping</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Leng</LastName><ForeName>Yueshuang</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Dongcui</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bai</LastName><ForeName>Harrison X</ForeName><Initials>HX</Initials><AffiliationInfo><Affiliation>Department of Diagnostic Imaging, Rhode Island Hospital, Providence, Providence, RI, 02903, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xiong</LastName><ForeName>Zeng</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shi</LastName><ForeName>Linbo</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Department of Radiology, Yongzhou Central Hospital, Yongzhou, 425006, Hunan, China. 692906369@qq.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liao</LastName><ForeName>Weihua</ForeName><Initials>W</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-1926-3527</Identifier><AffiliationInfo><Affiliation>Department of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. owenliao@csu.edu.cn.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Molecular Imaging Research Center of Central South University, Changsha, 410008, China. owenliao@csu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>B2019194</GrantID><Agency>The Scientific Research Project of Hunan Health and Health Commission</Agency><Country></Country></Grant><Grant><GrantID>81671676</GrantID><Agency>National Natural Science Foundation of China</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>09</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>BMC Infect Dis</MedlineTA><NlmUniqueID>100968551</NlmUniqueID><ISSNLinking>1471-2334</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012367">RNA, Viral</NameOfSubstance></Chemical></ChemicalList><SupplMeshList><SupplMeshName Type="Disease" UI="C000657245">COVID-19</SupplMeshName><SupplMeshName Type="Organism" UI="C000656484">severe acute respiratory syndrome coronavirus 2</SupplMeshName></SupplMeshList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001003" MajorTopicYN="N">Anal Canal</DescriptorName><QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000073640" MajorTopicYN="N">Betacoronavirus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002648" MajorTopicYN="N">Child</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002675" MajorTopicYN="N">Child, Preschool</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N" Type="Geographic">China</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018352" MajorTopicYN="N">Coronavirus Infections</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName><QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005334" MajorTopicYN="N">Fever</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006760" MajorTopicYN="N">Hospitalization</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006761" MajorTopicYN="N">Hospitals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058873" MajorTopicYN="N">Pandemics</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010351" MajorTopicYN="N">Patient Discharge</DescriptorName><QualifierName UI="Q000706" MajorTopicYN="Y">statistics & numerical data</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011024" MajorTopicYN="N">Pneumonia, Viral</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName><QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012367" MajorTopicYN="N">RNA, Viral</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D020133" MajorTopicYN="N">Reverse Transcriptase Polymerase Chain Reaction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045169" MajorTopicYN="N">Severe Acute Respiratory Syndrome</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName><QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014057" MajorTopicYN="N">Tomography, X-Ray Computed</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055815" MajorTopicYN="N">Young Adult</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Anal swab</Keyword><Keyword MajorTopicYN="N">COVID-19</Keyword><Keyword MajorTopicYN="N">CT scan</Keyword><Keyword MajorTopicYN="N">Discharged patients</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>04</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>08</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>9</Month><Day>3</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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