[ad_1] MILAN, ITALY – NOVEMBER 20: A nurse vaccinates an elderly person for the flu on November 20, 2020 in … [+] Milan, Italy. A civil protection tent in front of the Milan Cathedral in Piazza Reale has been made available to vaccinate the elderly over 65. (Photo by Pier …
Read More »Covid-19 reinfection is possible and should inform pandemic priorities moving forward
