Can COVID-19 Immunity Last Years?

Many questions remain about natural and vaccine-induced immunity to the SARS-CoV-2 beta coronavirus since it is a new virus. In addition, when the body’s immune system responds to a new infection, it isn’t always clear how long any immunity that develops will persist.

Furthermore, COVID-19 is a very different disease than other coronavirus-caused illnesses. Scientists around the globe are still working out precisely how the body fends off the virus and how to treat the disease it causes.

Chris Baraniuk reviews what we know so far... click here more the full BMJ article.