A closer look at T cells reveals big differences in mild vs. severe COVID-19 cases

How long does immunity to SARS-CoV-2 last following infection? Researchers have uncovered an interesting clue. Their new study suggests that people with severe COVID-19 cases may be left with more of the protective 'memory' T cells needed to fight reinfection.

from Top Health News -- ScienceDaily https://ift.tt/3qBubhy