direct to your inboxAn expert says outbreaks of Covid-19 are appearing in care homes after residents have had their first dose of the vaccine.Professor Martin Vernon, a consultant geriatrician in Greater Manchester, says he is “deeply concerned” by infection outbreaks “within, and beyond 21 days of vaccination”.The former national director for older people at NHS England says he would like to see second doses of the Pfizer/BioNTech vaccine administered as close as possible to the 21 days advised