US health authorities recommend an annual vaccine to protect against influenza. This year's campaign to encourage vaccination was met on social media with renewed misleading claims about ingredients in the shot, most of which are not present; others help improve the effectiveness of the jab and have been tested for safety, experts say.
The holidays spent with friends and loved ones are a special time of year for many people. Unfortunately, the winter months are also when annual influenza cases
The holidays spent with friends and loved ones are a special time of year for many people. Unfortunately, the winter months are also when annual influenza cases
The holidays spent with friends and loved ones are a special time of year for many people. Unfortunately, the winter months are also when annual influenza cases