RT @sherrirose
Be wary of infectious disease research relying on billing codes in health care claims data

We found implausibly high case counts, including for measles and mumps, compared to other sources

Work co-led by @maiamajumder & @marika_cusick

https://www.medrxiv.org/content/10.1101/2022.06.02.22275926v1 #ARM2022 #ARM22