New Case Western Reserve University, National Institute on Drug Abuse study finds people with substance-use disorders may be at higher risk for SARS-CoV-2 breakthrough infections

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An analysis of electronic health records of nearly 580,000 fully vaccinated people in the United States found that while the risk of SARS-CoV-2 breakthrough infection among those with substance-use disorders was low overall, it was higher for people who misuse substances such as alcohol, tobacco, marijuana and opioids.