How Good Is One’s Immunity After a Covid-19 Infection?

Several recent studies show that not all who get a positive COVID-19 diagnosis by RT-PCR develop antibodies against the SARS-CoV-2 virus or seroconvert. An Israeli group showed that 5% of all their CRead More…

The Alphabet Soup of SARS-CoV-2 Variants: When Will it Cease?

It is more than 18 months since the first case of SARS-CoV-2 infection was diagnosed in the US. Most of us hoped for a vaccine which we believed will end the pandemic. Today we have several vaccineRead More…