The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.
The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.
Some H5N1 and H7N9 bird flu viruses could be one mutation away from spreading efficiently between humans.
Turning cell phones into basic research tools can improve health care in the developing world.
Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.
As new infections surface and spread, science meets the challenges with ingenuity and adaptation.
How the study of human social interactions is helping researchers understand the spread of diseases like influenza and HIV
Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.
Three patients infected with the new H7N9 bird flu have developed resistance to antiviral drug treatment, causing great concern among doctors.
Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
The activity of one type of immune cell helps regrow the limbs of amputated salamanders.