CDC s new wild to mild ad campaign hypes flu vaccines for kids, pregnant women – NaturalNews com naturalnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from naturalnews.com Daily Mail and Mail on Sunday newspapers.
Vaccines that provide long-lasting protection against influenza, coronaviruses and respiratory syncytial virus (RSV) have proved exceptionally difficult to develop.