A powerful new Covid strain is thought to be capable of re-infecting patients within weeks of them recovering from the virus.. BA.5 has become the new dominant infection in the United States and elsewhere on the planet.
Medics have long found those who are infected with Covid then have a level of immunity in the weeks afterwards. However BA.5 has cast doubt on the notion, with patients reporting falling positive again within a short while of recovering from Covid, The Mirror reports.
Andrew Roberston, chief health officer in Western Australia, told News.com.au: “What we are seeing is an increasing number of people who have been infected with BA.2 and then becoming infected after four weeks. So maybe six to eight weeks they are developing a second infection, and that’s almost certainly BA.4 or BA.5.”