Claims that coronavirus tests ... do these swabs on myself every week as a volunteer in a trial. It is unusual to have something that far up your nose - the swab can feel itchy or tickly but it ...

mRNA vaccines don't expose you ... faster. The COVID-19 mRNA vaccines have passed many tests in labs and in thousands of people, and meet strict standards from the FDA. So how do these vaccines ...

which do not change as much from variant to variant, meaning vaccines harnessing the work of T-cells more closely could provide broader, longer-lasting protection against Covid, he said.