Washington, July 22
A examine exhibits that in individuals with delicate COVID-19 instances, their antibodies towards the coronavirus drop sharply over the primary three months after an infection.
A analysis group on the University of California, Los Angeles, did an in-depth examine of 34 individuals who had recovered from delicate COVID-19 infections. They examined their blood two or 3 times over three months, Xinhua information company reported on Tuesday.
The researchers discovered a speedy drop in antibodies – the immune system proteins that assist cease viruses from infecting cells within the physique. On common, the antibody ranges fell by half each 73 days, in response to the examine revealed in The New England Journal of Medicine.
The findings elevate concern that humoral immunity towards SARS-CoV-2 will not be lengthy lasting in individuals with delicate sickness, who compose nearly all of individuals with COVID-19, mentioned the examine.
Further research shall be wanted to outline a quantitative safety threshold and charge of decline of antiviral antibodies past 90 days, in response to the examine. — IANS