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In one of several recently published studies on the relationship between COVID-19 infection and asthma, asthma symptoms in children declined as the proportion of the U.S. population vaccinated against COVID-19 increased, according to data drawn from the National Survey of Children's Health (NSCH).

The inverse correlation between symptoms and vaccination was strong and statistically significant, according to investigators led by Matthew M. Davis, MD, physician in chief and chief scientific officer, Nemours Children's Health, Wilmington, Delaware.

"With each increase of 10 percentage points in COVID-19 vaccination coverage, the parent-reported child asthma symptoms prevalence decreased by 0.36 percentage points (P < .05)," Dr. Davis and his coinvestigators reported in a research letter published in JAMA Network Open. Head over to Medscape to read the full story.