TY Baker
Air pollution is down.
Flu and pneumonia are positively associated with air pollution.
This is from a sturdy that tracked flu and pneumonia cases before, during and after a spike in PM 2.5, there are tons of studies out there looking at the connection between particulate air pollution and increased Flu, Pneumonia and other causes of hospitalization and/or death.
"In summary, increased rates of culture-negative pneumonia healthcare encounters, ED visits for influenza and hospitalizations for bacterial pneumonia were associated with increased concentrations of PM2.5 over the previous few days."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6394122/