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Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

If bacteria had a list of things to fear, phages would be at the top. These viruses are built to find, infect and kill them — and they have been doing it for billions of years. Now that ancient battle ...

Stomach flu is an infection of the stomach and intestines, whereas influenza (flu) is an infection of the throat, nose, and sometimes lungs. The conditions have different causes, symptoms, and ...

Many different types of bacteria and viruses can cause pneumonia, but there is no easy way to determine which microbe is causing a particular patient's illness. This uncertainty makes it harder for ...

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 ...

Viruses in man-made environments cause public health concerns, but they are generally less studied than bacteria. A recent study led by environmental scientists from City University of Hong Kong ...

The history of life stretches back untold eons. Today, there is a staggering array of organisms on Earth, with more species being discovered every year. The complexity of life, from the smallest ...