A new study suggests that immunity to coronavirus may only last a few months, casting doubt on herd immunity strategies on.ft.com/35D7bpF pic.twitter.com/o4xTm0OxLL

La metto qui cosi' per fare @ThManfredi @mtizzoni @AurelianoStingi @Doom3Gloom ft.com/content/f75418… pic.twitter.com/5qOr78NpdF

Covid-19 herd immunity theory dealt blow by UK research: Testing of more than 350,000 people shows that antibodies fade within few months amp.ft.com/content/f75418… via @AnnaSophieGross @abledoc pic.twitter.com/bvHDOJ5GXf