New video captures AIDS moving inside immune cells: HIV enters pods that form on the surface, then jumps across into a healthy immune cell that is now doomed to spread HIV — and die.
If a piece of toast fell on the floor, would you pick it up and eat it? You probably would if you believe in the 5-second rule, which suggests that your spilled breakfast stays germ-free as long as you snatch it up in five seconds. But while the 5-second rule remains a popular rule of [...]
Cranberry juice helps prevent bacterial infections. Could it do the same for viral infections? New research says yes. Grab a glass — bottoms up! — and turn the page.
Common influenza infects people around the world. What are the dangers of pandemic bird flu, and what can we do to avoid them? What are the roles of vaccines, international cooperation, and national governments?
Monkeypox, AIDS, SARS: Are more diseases jumping from animals to people, or is it just our imagination?
Edible vaccines offer cheap, easy solution to halt disease in developing countries, but roadblocks remain. Is this an acceptable type of gene-modified food?