by Prakash Nagarkatti, Mitzi Nagarkatti, The Conversation Credit: Unsplash/CC0 Public Domain As the omicron variant of SARS-CoV-2 took hold across the globe in late 2021, it became readily apparent that the pandemic had entered a new phase. Having experienced a previous COVID-19 infection or being vaccinated still left many people wondering how vulnerable they were...
by Massachusetts General Hospital A colorized scanning electron micrograph of the SARS-CoV-2 virus. Credit: NIAID While PCR testing has been used widely for COVID-19 diagnosis, it only provides information on who is currently infected. Antibody testing can tell who has been previously exposed to SARS-CoV-2, the virus that causes COVID-19, a metric that is essential for...
