For flu, the sensitivity of the definition was 76% and specificity was 31%; for RSV, those numbers were 71% and 39%, respectively.
The highest death rates were in sub-Saharan African countries and in the youngest and oldest people.
In addition, the emergence of the influenza A H3N2 subclade K virus fueled a record number of flu cases in Australia this year and extended the season, which may have implications for the Northern Hemisphere season.
Just 34% of US adults have gotten a flu shot, 25% have had a COVID vaccine, 8% have received the pneumococcal vaccine, and 6% have been vaccinated against RSV.
Vinay Prasad claimed—but provided no evidence—that COVID-19 vaccines caused the death of 10 children.
The results are likely to be more relevant to patients in sub-Saharan Africa than to those in high-resource settings, the authors say.
One found 44% better protection for the high-dose version against hospitalization for flu but not for flu or pneumonia, which goes against previous findings.
Participants with health insurance and those with more years of education were more likely to be vaccinated after receiving a clinician recommendation.
Maryland-based Zeteo Tech will receive $1 million to advance work on a novel test that can diagnose LRTIs from exhaled breath.
The recommended vaccines are against COVID-19, influenza, RSV, pneumonia, and shingles.
