As governments the world over seek ways to jumpstart economic activity, one proposal is a so-called “immunity passport” that would allow certain people who test positive for COVID-19 antibodies to ...

In a world of wild talk and fake news, help us stand up for the facts.

After a summer wave of infections, most of the United States is starting to see a decline in cases. However, it hasn't stopped conspiracy theorists from sharing more fantastical claims about the ...

As the rollout of vaccines against COVID-19 gathers pace, countries from Sweden to Israel are exploring how certificates and ...