Disease

Flu and COVID-19 are examples of respiratory diseases that require repeated vaccine boosters to prevent illness.
The study, reported in Vaccine, reviews a survey of Arizonians, part of the Arizona COVID-19 Cohort (CoVHORT). Given that:
Erythritol is a naturally occurring sugar alcohol found in some fruits and fermented products.
Here we go again — another armchair expert holding forth on scientific and medical issues she misunderstands.
The study, reported in the American Journal of Medicine (AJM), is a meta-analysis of articles posted in “the voice of the CDC,” its weekly Morbidity and Mortality Weekly Report (MMWR). The indictment being made is that for the MMWR reports:
The study published in Nature Medicine looked at C. diff. infections, the most common cause of hospital-related diarrhea, and a significant cause of patient morbidity and mortality.
The flu season, which is about to rev up in the U.S.
  “….wastewater data reflect both temporal and geographic trends in COVID-19 disease burden across the United States...” 
Molnupiravir, trade name Lagevrio, is one of two COVID oral antivirals on the market, the other being Paxlovid.