@theconversation.com 4 years ago A new study suggests coronavirus antibodies fade over time – but how concerned should we be?
@theconversation.com 4 years ago Here's how scientists know the coronavirus came from bats and wasn't made in a lab
@rt.com 5 years ago Pentagon looked ‘hard’ into theory Covid-19 came from Chinese lab, but ‘inconclusive’ evidence still suggests natural origin