Coronavirus: Navy, CDC study on infected aircraft carrier provides glimmer of hope for immunity (San Francisco Chronicle)

San Francisco Chronicle: Coronavirus: Navy, CDC study on infected aircraft carrier provides glimmer of hope for immunity. “A study of sailors aboard an aircraft carrier stricken by a COVID-19 outbreak offers new insights into what could make people immune to the coronavirus and the effectiveness of social distancing measures, U.S. Navy and federal health officials said Tuesday.”