March 7, 2023 Chikungunya vaccines: An update in 2023 A recent chikungunya outbreak affected 1.5 million cases in more than 60 countries. The virus causes low mortality but moderate to severe morbidities such as high fever, myalgia, and polyarthritis. read more chikungunya virus, clinical trials, mRNA vaccines, preclinical chikungunya vaccines, viral vector vaccines