Covid, record infection: it lasted 613 days and the virus transformed

And compromised immune system, 72 years of age, an ongoing Covid infection: for the patient, a man living in the Netherlands, the infection with the SARS-CoV-2 virus turned into a nightmare. A group of Dutch researchers reported it as a school case: the man remained infected with Covid for 613 daysa period so long that the virus evolved into a new variant inside his body.