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Differences in the expression of genes associated with antiviral immunity and lung inflammation may contribute to a more serious COVID-19 infection.

Around 100 people were infected at a scientific meeting hosted by Biogen in Boston in February. Then they went back home, taking the virus with them.

The number, extrapolated from antibodies present in blood donors in Manaus, should be treated with caution, experts warn.

A team of scientists searching for a rare species of whale instead found a species of whale they say has never been recorded.

Over centuries of cultivating Saccharomyces cerevisiae to make dough, bakers have put selective pressure on the species, causing it to diverge into two distinct groups, according to the authors.

It’s not clear why the patients with Leber hereditary optic neuropathy, a mitochondrial disorder that causes blindness, also experienced the modest benefits in their untreated eye.

An illegal campfire sparked a blaze that has burned half of the unique Fraser Island off Australia’s East coast.

The third FDA approval of an RNAi-based therapeutic marks the growing success of a technique that took two decades to get off the ground.

The gastrointestinal tracts of people with major depressive disorder harbor a signature composition of viruses, bacteria, and their metabolic products, according to the most comprehensive genomic and metabolomic analysis in depression to date.

Health officials are searching for possible exposures to heavy metals, but no sources of contamination have been identified.

6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.

Some researchers have turned their focus to artificial intelligence to study an underused symptom common to most respiratory pathogens—cough.