Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. WHO Recommends Flu Shots to Prevent Surge of Influenza During Pandemic Lisa Schlein GENEVA - As the flu season is set to start in the northern hemisphere, the World Health Organization recommends people at highest risk be vaccinated to protect themselves and to prevent national health systems from getting overwhelmed during the COVID-19 pandemic. The WHO is updating its guidance to help nations navigate the complex challenges posed by the simultaneous circulation of influenza and the coronavirus. The seasonal influenza results in up to a billion cases globally each year, causing an average of 290,000 to 650,000 deaths, according to the WHO. Influenza and COVID-19 are both respiratory diseases with some similar symptoms. .