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It can be hard to tell the difference between viral and bacterial tonsillitis from symptoms alone. However, tonsillitis caused by a viral infection may be milder than tonsillitis caused by a bacterial ...

Rather than a slow, gradual process as Darwin envisioned, biologists can now see how evolutionary changes unfold on much more accelerated timescales. Using an accelerated arms race between bacteria ...

Mosquito bites aren't just pesky and annoying. They can also be dangerous. Some mosquitoes carry germs that can infect people bitten by them. In Massachusetts, some of the viruses that mosquitoes ...

Cancer research has long looked at bacteria and viruses as separate tools for therapy. Now, researchers are showing that the two can actually work better together. A team of scientists has built a new ...

BOSTON - Dr. Mallika Marshall is answering your latest medical questions. If you have a question, email her or message her on Facebook or X (formerly known as Twitter). Charlene in Rockport asks, ...