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Covid Vaccines in U.K. Show Positive Results After One Dose

  • Officials in England and Scotland release real-world findings
  • Pfizer vaccine cuts infections 70% after single dose in study
Updated on

New findings in the U.K., the first country in the western world to roll out Covid-19 vaccines, show the shots provide a high level of protection against infection, illness and death after a single dose.

Initial data in medical workers show the Pfizer Inc. and BioNTech SE vaccine reduces the risk of infection by more than 70% with one dose -- or 85% after the second dose -- according to Public Health England. The findings suggest the shot helps interrupt transmission, officials said.