LOS ANGELES, Apr 15: People who are vaccinated against COVID-19, and have a history of certain psychiatric conditions, face an increased risk of breakthrough disease, according to a study. The researchers from the University of California (UC) San Francisco, US, noted that the risk may be related to impaired immune response as well as risky behaviours associated with some disorders. The study, published in the journal JAMA Network Open on Thursday, found that patients over 65 with substance abuse, psychotic disorders, […]