Immunity to Covid-19 lasts at least “six to eight months,” according to the study: “very good news”

Believing that 2020, particularly full of hard blows, has waited to live its last moments to finally distill some good news. While the prospect of an effective Covid-19 vaccine has become very real, an American study, released Monday, also bodes well: it confirms immunity against SARS-COV-2 n none of the flashes in the pan that some feared.

Made by La Jolla researchers …