The New Flu 2025. Vaccinating health and care workers also plays an important role in helping to prevent transmission of flu, protecting themselves and those they care for. Dehydration, shortness of breath, high fevers and extreme body aches are sending people to the hospital in the most severe flu cases, doctors say.
The good news is that the annual flu shot is designed to target both influenza a and b viruses, so most vaccinated people donโt need to take precautions. Vaccinating health and care workers also plays an important role in helping to prevent transmission of flu, protecting themselves and those they care for.