Approximately 60 U.S. personnel stationed around the world have complained of mysterious neurological symptoms that may be linked to the use of a microwave weapon.
On Monday, the Food and Drug Administration extended emergency approval for the Pfizer-BioNTech COVID-19 vaccine to include adolescents.
The relatively rare infection, called mucormycosis, usually occurs in those with weakened immune systems.
Pfizer and BioNTech applied to the Food and Drug Administration (FDA) for full approval of their COVID-19 vaccine.
Doctors have successfully treated a patient who developed very rare blood clots after receiving the Johnson & Johnson with an alternative blood thinner to heparin.
Eating too much salt may reduce the amount of energy that immune system cells can make, preventing them from working normally, according to a new study.
Findings don't mean that summer weather will eliminate COVID-19; but it may give people a leg up against the disease.
Some bacteria-invading viruses carry around DNA with a different letter — Z — that may help them survive.