Pfizer COVID-19 vaccine reduces transmission after one dose -UK study
LONDON, Feb 26 - A single dose of Pfizer and BioNtech’s COVID-19 vaccine cuts the number of asymptomatic infections and could significantly reduce the risk of transmission of the virus, results of a UK study found on Friday.Researchers analysed results from thousands of COVID-19 tests carried out each week as part of hospital screenings of healthcare staff in Cambridge, eastern England.“Our findings show a dramatic reduction in the rate of positive screening tests among asymptomatic healthcare