Herd immunity against Covid is looking ever-increasingly impossible, scientists say. But one expert told MailOnline that Covid-19 is here to stay and that the key is reaching a 'herd immunity threshold'. The concept of herd immunity was first floated last March, when SARS-CoV-2 and its clever transmission tactics were shrouded in mystery. He told MailOnline: 'To reach herd immunity, there needs to be enough immunity to reduce R below one, even when everyone is back to normal social interactions. Vaccinating children, he added, would allow the UK to get closer to achieving some kind of herd immunity.

Source: The Nation August 06, 2021 15:00 UTC