Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.
New study finds blooms of blue-green algae can seed the air with a poisonous pollutant.
Some 95 percent of kelp forests along its northern coast are gone. Meanwhile, sea otters are helping slow the loss of surviving kelp farther south.
A trio of new studies links immune changes and high blood pressure to inhaling bad air.
City gardens provide a huge amount of nectar and pollen for pollinators, making them an essential conservation tool.
The vaccines are about 90 percent effective at blocking infection, which should cut spread of the virus. And at least one vaccine works well in teens.
Lakes in northern climes are getting warmer, and that’s not good for people, plants or animals.
New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.
Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.