I am cautiously optimistic that we are seeing this great, great end point in sight, Dr Rochelle Walensky told the Today show on Friday after CDC said vaccinated people can take off their masks.
Jill Biden puts her face mask back ON to visit the National Museum of African American History - one day after husband Joe said vaccinated people do NOT have to wear them indoors
Jill Biden put her face mask back on Friday to visit the National Museum of African American History and Culture ahead of its reopening to the public
Museum asks visitors to wear face coverings Culture and beauty is coming back to DC, the first lady said
Museum reopens to the public on Saturday
Pfizer and Moderna vaccines cut the risk of getting sick with COVID-19 by 94%, the largest real-world CDC study confirms - and just one dose reduces the odds of illness by 82%
CDC compared vaccination status of 623 health care workers who tested positive for COVID-19 to the status of 1,220 who tested negative
People who tested negative were five-times more likely to have been fully vaccinated compared to those who tested positive
Two doses of vaccines made by Pfizer or Moderna reduced the risk of developing symptomatic COVID-19 by 94% - in line with trial results
A single dose cut the risk by 82% - a higher effectiveness than was found in trials