Even a single dose of Pfizer vaccine reduces the risk of coronavirus infection, Public Health England says
/https://specials-images.forbesimg.com/imageserve/60355babf74de4c1d5aea8ed/0x0.jpg?fit=300%2C300&ssl=1 "Pfizer And Moderna to significantly increase Covid-19 vaccine production this spring")
/https://specials-images.forbesimg.com/imageserve/6034b3211a551bea990ad99a/0x0.jpg?fit=300%2C300&ssl=1 "Potentially easier storage, effective against South African strain")
_1614047104879_1614047112290.jpg?fit=300%2C300&ssl=1 "Study links sleep to memory storage of newly learned materials")
