WASHINGTON, Feb 12 The efficacy of third doses of the Pfizer and Moderna mRNA vaccines wanes substantially by the fourth month after administration, a new study by the US Centers of Disease Control and Prevention (CDC) said Friday. Though it’s now well documented that vaccine efficacy goes.
JERUSALEM, Aug 23 A third dose of Pfizer ‘s Covid-19 vaccine has significantly improved protection from infection and serious illness among people aged 60 and older in Israel compared with those who received two shots, findings published by the Health Ministry showed on Sunday. The data were.
JERUSALEM, Aug 13 Israelis aged 50 and over began receiving vaccine booster shots against the coronavirus today as part of a government bid to stem spiking infections driven by the Delta variant. The government announced yesterday that it was offering third shots to people aged over 50, two.