Negative Nasopharyngeal and Oropharyngeal Swab Does Not Rule Out COVID-19
These journal sites can be weird to navigate. The link above pretty much summarizes what you need to know, but the study is in the pdf link below.
https://jcm.asm.org/content/jcm/early/2020/02/20/JCM.00297-20.full.pdf
These journal sites can be weird to navigate. The link above pretty much summarizes what you need to know, but the study is in the pdf link below.
https://jcm.asm.org/content/jcm/early/2020/02/20/JCM.00297-20.full.pdf