Covid-19 vaccine: Pfizer says 3 Covid shots protect children under 5. See details

[Hasan]

Covid-19 vaccine: Pfizer says 3 Covid shots protect children under 5. See details Preliminary data suggested the three-dose series is 80% effective in preventing symptomatic Covid-19, the companies said.The 18 million youngsters under 5 are the only group in the U.S. not yet eligible for Covid-19 vaccination