A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

ST. LOUIS -- Even as scientists were confirming that the West Nile virus had reached St. Louis, researchers here already have been trying to pinpoint why the mosquito-transmitted form of encephalitis ...

Watch a white blood cell actively searching for bacteria or viruses under the microscope. Man rushed to hospital after fox attack Pharmacist warns of common atorvastatin side effects that should never ...