Detection of SARS-CoV-2 in conjunctival secretions from patients without ocular symptoms.

Abstract:

PURPOSE:To evaluate the presence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in conjunctival secretions from patients without ocular symptoms. METHODS:Conjunctival swabs were prospectively collected from laboratory-confirmed Coronavirus disease 2019 (COVID-19) patients without ocular symptoms for reverse transcription-polymerase chain reaction (RT-PCR) and viral culture. RESULTS:A total of 158 conjunctival swabs were obtained from 49 laboratory-confirmed COVID-19 patients. The median duration of illness when the first conjunctival swab was obtained was 10 days (range 2-27 days). Four conjunctival swabs from four different patients (4/49, 8.2%) were positive for SARS-CoV-2 RNA by RT-PCR. The Ct values ranged from 32.7 to 37.7 (mean 35.4). Viral cultures were negative for all four RT-PCR-positive conjunctival swabs. CONCLUSION:Conjunctival secretions of a minority of COVID-19 patients without ocular symptoms may contain relatively low levels of SARS-CoV-2 RNA, but their infectiousness remains undetermined. Appropriate infection control measures should be implemented during ophthalmological assessment of COVID-19 patients to prevent potential nosocomial transmission of SARS-CoV-2.

journal_name

Infection

journal_title

Infection

authors

Li X,Chan JF,Li KK,Tso EY,Yip CC,Sridhar S,Chung TW,Chiu KH,Hung DL,Wu AK,Chau SK,Liu R,Lung KC,Tam AR,Cheng VC,To KK,Chan KH,Hung IF,Yuen KY

doi

10.1007/s15010-020-01524-2

subject

Has Abstract

pub_date

2020-09-17 00:00:00

eissn

0300-8126

issn

1439-0973

pii

10.1007/s15010-020-01524-2

pub_type

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