04-13-2020, 02:00 PM
Durian Fiend - Most experts believe a person should have immunity for at least a year or two after getting infected.
Given all the unknowns, things are not really looking that simple. Hard to place bets when outcomes for related viruses has a variety of possibilities and don't even get me started on the weak immune response issue where people can test positive but then not have any antibodies detected later on - if any of the tests involved can be considered reliable enough to believe the results...
https://www.aljazeera.com/indepth/featur...02217.html
"There are coronaviruses other than the one that causes COVID-19 disease. A lot of common cold viruses are from the coronavirus family and we do not gain lifelong immunity after being infected by them. People who have been infected with another type of coronavirus, severe acute respiratory syndrome (SARS), can have two to three years of immunity, so it really does vary." (emphasis mine)
https://www.independent.co.uk/life-style...00691.html
""However, in certain individuals, the antibody cannot last that long," Li told USAToday. "For many patients who have been cured, there is a likelihood of relapse.""
Given all the unknowns, things are not really looking that simple. Hard to place bets when outcomes for related viruses has a variety of possibilities and don't even get me started on the weak immune response issue where people can test positive but then not have any antibodies detected later on - if any of the tests involved can be considered reliable enough to believe the results...
https://www.aljazeera.com/indepth/featur...02217.html
"There are coronaviruses other than the one that causes COVID-19 disease. A lot of common cold viruses are from the coronavirus family and we do not gain lifelong immunity after being infected by them. People who have been infected with another type of coronavirus, severe acute respiratory syndrome (SARS), can have two to three years of immunity, so it really does vary." (emphasis mine)
https://www.independent.co.uk/life-style...00691.html
""However, in certain individuals, the antibody cannot last that long," Li told USAToday. "For many patients who have been cured, there is a likelihood of relapse.""