Antibodies Against SARS-CoV-2 Nucleocapsid Protein May Not Be Reliable Markers for Infection in Vaccinated People
by Gertrud U. Rey You are fully vaccinated against SARS-CoV-2 and have presumably never been infected with the virus. But how can you know for sure? One way to find out is by testing your blood for the presence of antibodies against the viral nucleocapsid protein, which can only be encountered during natural infection. This …