A meningococcal outbreak in Southern California that has mostly infected gay men prompted San Francisco health officials Friday to issue a warning on the eve of Pride weekend and a plea for people to get inoculated against the disease. The warning came after state health officials announced that nine people in the Los Angeles and Orange County area have tested positive for the bacterial disease, which is spread through nose and throat secretions.

One of them died from the infection. “Here in San Francisco it is Pride week, with lots of visitors from around the state, the country and the world coming to town to celebrate,” Dr. Naveena Bobba, deputy health officer for San Francisco, said in a statement. “We encourage revelers to consider the meningococcal ACWY vaccine as a way to take charge of their health.” READ MORE