Vaccination offers the best defense against COVID infection, hospitalization, or death. Effectiveness ranging from about 40% to 90% has been shown in various clinical studies depending upon the predominant variants of the virus, specific vaccines, and selected endpoints. Has vaccination “substantially reduced the burden of disease?”
COVID infections
Trends in COVID-19 outcomes during the past 12 months offer something for nearly everyone. For the alarmists, new cases reached all-time highs in February, but optimists will point to the subsequent 10-fold slide in daily deaths that persisted for another four months. Case-fatality rates follow directly from cases and deaths two weeks later and appear more variable than either. The Omicron variant …