We have suffered  five COVID-19 waves .  Will there be a 6th? Initially, cases were dominated by large cities, which are mostly Democratic.  Thus, the first wave experience a lot fewer Republican deaths.  Later waves gravitated towards fewer Democratic deaths. A higher percentage of Biden-voters get vaccinated.   Over 91% of Democrats have had at least one shot, and only 60% of Republicans . The primary reason is  vaccination , as per million population, 250 deaths occurred in Trump counties, compared to 78 in Biden counties. About that possible 6th wave?  Most likely, when the Omicron Stealth B2 subvariant creates a mild bump in April.  Then, WHO can pretty much declare the end of this pandemic.  But I've now said this at least three times. Incidentally, just about 25% of Americans have been infected with COVID-19.  World?  Only 6%.   Of course, this is where asymptomaticity and under reporting come into...