RIO DE JANEIRO, BRAZIL - The city of São Paulo will start administering the third vaccine dose against Covid-19 in people over 70 on Monday, September 27.
Mayor Ricardo Nunes also announced the advance of the Pfizer vaccine 2nd dose from 12 to 8 weeks from Friday, September 24, for people aged 28 to 41 who have already taken the 1st shot. As for the other vaccines, the interval for the 2nd dose is still 12 weeks for AstraZeneca and 28 days for Coronavac.
People over 18 with a high degree of immunosuppression who have been vaccinated with the . . .