Medicine’s Rong Xu says recent research points to cannabis use as a potential threat to COVID-19 immunity in fully vaccinated

Fully Vaccinated Marijuana Smokers More Likely To Suffer Breakthrough COVID-19

International Business Times: Rong Xu, professor of biomedical informatics at the School of Medicine, discussed her new study that showed that people with substance use disorders are 7 to 7.8 percent more likely to suffer a breakthrough COVID-19 infection—and are more likely to suffer breakthrough hospitalizations and deaths. “Additional variables, such as behavioral factors or adverse effects of cannabis on pulmonary and immune function, could contribute to the higher risk for breakthrough infection in this group,” she said.