but a decline is anticipated soon in an infection that most commonly afflicts children — respiratory syncytial virus, the Pima County Health Department says. The infection commonly referred to ...

The flu virus affects people of all ages each year ... People who smoke are more likely to have respiratory illnesses, such as the flu, bronchitis, and pneumonia. To improve your immune system ...

The symptoms do not appear until 10 to 14 days after someone is exposed to the virus and can appear as late as 21 days after exposure. Measles is highly contagious and can spread from one person ...