It has been apparent since the start of the Covid-19 pandemic that certain people are responsible for spreading more than their share of infections.
‘Super spreader’: Is there really such a thing as a Covid-19 ‘super spreader’?
More Stories
Brazil rolls out COVID-19 vaccination plan
First Pfizer COVID-19 vaccine shipments to be delivered to US distribution sites starting Monday
CDC advisory panel recommends Covid-19 vaccine for people 16 and over