The nasal spray won't replace future COVID-19 vaccines, but could offer a first defense for people at high risk for contracting the virus, researchers say.
Tags: covid-19 plants viruses pathogens health-and-medicine
Researchers have extracted a whole human genome from 5,700-year-old "chewing gum." It could mark a new untapped source of ancient DNA.
Tags: dna food genomes pathogens science-and-technology ancient-history stone-age
The placenta acts as a gatekeeper during pregnancy, but a study that shows how RSV can infect the fetus suggests it's not as impenetrable as once thought.
Tags: placenta pregnancy pathogens infections health-and-medicine rsv
Conventional culture-based lab tests may misdiagnose as many as half of the microbial causes of diarrhea diseases in children
Tags: microbes microbiomes e-coli childrens-health pathogens health-and-medicine digestive-system
Salmonella is getting really good at antibiotic resistance. And it's moved beyond small children and the elderly to affect otherwise healthy adults, too.
Tags: antibiotics drug-resistance salmonella pathogens health-and-medicine
A natural chemical may offer a way to vaccinate tomato plants and boost defenses against a pest that makes their leaves shrivel up and die.
Tags: food plants vaccines pathogens infections science-and-technology
"Our grandmas have always been asking us, 'If you're so smart, why haven't you come up with a cure for the common cold?' Now we have a new way to do that."
Tags: viruses pathogens infections featured health-and-medicine immune-systems
Invasive pests kill so many trees each year, they cut the carbon storage of forests by the equivalent of emissions from 5 million cars.
Tags: insects trees forests pathogens invasive-species earth-and-environment
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