Ministry of Public Health, Doha, Qatar.
Weill Cornell Medicine-Qatar, Cornell University, Doha, Qatar.
JAMA. 2021 Jul 13;326(2):185-188. doi: 10.1001/jama.2021.9970.
This study explores the association of vaccination against COVID-19 or prior SARS-CoV-2 infection with PCR test positivity in airline passengers arriving in Qatar, February-April 2021.
本研究探讨了 2021 年 2 月至 4 月抵达卡塔尔的航空旅客中,接种 COVID-19 疫苗或先前感染 SARS-CoV-2 与 PCR 检测阳性之间的关联。