immune system

  • Immune system of recovered COVID-19 patients may evolve to fight coronavirus variants: Study
    New York, January 24 (PTI): People who recover from COVID-19 are protected against the novel coronavirus for at least six months, and likely much longer, according to a study which says the immune system evolves long after the infection and may block even mutant forms of the virus such as the South African variant. The research, published in the journal Nature, noted that antibodies are produced by immune cells that keep evolving, apparently due to a continued exposure to remnants o