The study took place at a school that serves vulnerable students in a setting where air quality improvements were made and then monitored.
Study links air quality improvements to fewer school COVID cases
More from COVID-19More posts in COVID-19 »
- COVID-19 linked to increased preterm birth, other problems in pregnancy
- COVID, other misinformation varies by topic, country on social media
- Quick takes: Cholera vaccine shortages, pre-exposure COVID prevention, HPV screening specimen self-collection
- Study: Before vaccines, 44% of COVID-19 patients in ICU died