When you have the flu, a simple breath may spread the virus.
Only ten strains of the Zika Virus infect humans.
If your kid's got a cold, it's best to just let the runny nose run its course.
Bacteriophages turn the table on bacteria and the hunter becomes the hunted.
With no licensed Ebola vaccines, early recognition and care is necessary. Know the facts!
Scientists harness the power of viruses to fight off deadly bacterial infections.
Why does the body go through such laborious misery when we're sick?
Scientists manipulated the H5N1 virus, and found that, with just a few genetic mutations, it could be passed from one ferret to another through a sneeze.
Today's Moment of Science looks at the development of the even safer cowpox vaccination.
Ten percent of the population in 17th century London died gruesomely of smallpox, a virus that spread easily via airborne particles or contaminated clothing.