> This is not true, nor a generally good guideline to think about things. Coronaviruses generally confer short immunity periods. would the common cold be a goo

> This is not true, nor a generally good guideline to think about things. Coronaviruses generally confer short immunity periods. would the common cold be a good example? the common cold is caused by a few different coronaviruses, and it's not uncommon for people to get a cold at least once a year or even multiple times a year.