Millions of infections have enabled SARS-CoV-2 to mutate so often that we have 15 variants clinically significant enough to be given a name. With successive mutations, the virus changes enough that vaccines are less effective. We now can dismiss the idea that one vaccine will stop the pandemic.
Most of us would feel better and be healthier if we drank more water – non-caffeinated, non-caloric, non-alcoholic, non-boosted water. Hot, cold, flavored, still or carbonated, we need lots of it for health.