With summer upon us, ticks are out again, and that's a problem for anyone who enjoys the great outdoors.
In light of a spate of rabies attacks, take a closer look at the disease, its risks and how you can avoid it.
Normally horses' immune systems keep the virus at bay, but stress and an increase in contact may break down defenses.
Nearly 30 million people have been killed by AIDS and more than 33 million have the virus that causes it.
Over the next five days, the African nation will vaccinate 3.6 million children in a bid to reduce measles deaths by 98 percent.
The gene, identified as TRIM5, appears to offer protection from the deadly virus.
The subject may be unpalatable, but animal research has improved the quality of human life.
Students and staff in a high school had 762,868 encounters in one day, revealing how quickly diseases can spread.
Do we need to worry about a rampant H1N1 this flu season? Probably not, say experts. But they can't rule anything out.
Adenovirus-36 may be making kids heavier, a new study suggests.