Rockefeller University

According to a study published in journal Nature, previously COVID-19 infected patients have the ability to develop immunity from reinfection for six-months or longer. US' Rockefeller University researchers explained the patient's immune system evolves to create memory B-cells that recognize the virus. Moreover, the B-cells in the immune system improves the quality of antibodies owing to numerous rounds of mutation. As per scientists, B-cell… read-more