Normally, the immune system would only react if a harmful substance, such as bacteria, attacks the body. For people with allergies, their immune systems are working too hard and react even when relatively harmless substances, such as pollen, are present.
MONDAY, March 31, 2025 (HealthDay News) -- COVID-19 and influenza burned through the U.S. during this year’s cold and flu season, and deadly measles outbreaks have sickened people in 19 states.
So what does it take to get people vaccinated against these preventable diseases?
