Five Important New Findings
A roundup of Covid-19 research from the past week
- Surgical, cotton masks may be ineffective: South Korean researchers suggest that surgical and cotton masks are ineffective in preventing the transmission of Covid-19 from infected people in a study published Monday in Annals of Internal Medicine. However, more research is needed to determine whether the masks shorten the distance that droplets travel or decrease virus transmission from asymptomatic people.
- Something in the air: Higher air pollution was linked to higher death…