April 28, 2021 1:48 PM
One dose of Pfizer or AstraZeneca COVID vaccine cuts household spread by up to 50%: Study
One dose of the Pfizer or AstraZeneca vaccine reduces the chances of someone infected with coronavirus from spreading it to other household members by up to 50 percent, according to a study published on Wednesday.<br />'' <br />''The Public Health England (PHE) research found that those infected three weeks after receiving their first jab were between 38 and 49 percent less likely to pass the virus on to their household contacts than those who were not va...