The California patient is experiencing mild illness and is recovering in isolation.
Compared to people who tested negative for covid-19, those who survived severe illness were more than twice as likely to die within a year's time.
It will take a while to truly understand the Omicron covid-19 variant, but that doesn't mean we're helpless against it.
At least 16 countries have found the omicron variant since it was first identified last week.
The governor of New York declared a state of emergency on Friday as authorities worldwide move to limit the spread of the heavily mutated variant.
People given the low-cost therapy in the morning performed noticeably better on tests of their color vision.
The recalls are the latest this year to involve benzene in consumer products.
New CDC data is more evidence that covid-19 is especially risky for pregnant people.
Minnesota has seen a huge jump in covid-19 hospitalizations over the past two weeks.
Thousands of people in New Jersey may have been exposed to the highly contagious foodborne virus, which can leave people sick for up to six months.
About 1,000 people in the U.S. are hospitalized annually by neurocysticercosis, which is caused by tapeworm cysts migrating to the brain.
The vials contained vaccinia virus, which is used as the base of past and present smallpox vaccines.
Europe faces a harsh winter with covid-19 surging across the continent.
The data is clear by now: Booster doses are providing high levels of protection against the misery caused by the coronavirus.
A new study estimates that up to 1.6 million Americans have experienced covid-related smell loss for longer than six months, with little chance of recovery.
Pfizer expects to make $36 billion from its covid-19 vaccine in 2021 alone.
In an animal study, the mRNA-based vaccine made it harder for ticks to get a full meal and pass on Lyme bacteria.
A lab worker at a vaccine research facility in Pennsylvania found a small number of frozen vials labeled "smallpox" in a freezer, the CDC said.
Those who reported drinking a "moderate" amount of coffee and/or tea daily were less likely to be diagnosed with stroke and dementia, according to new research.
Over 500 people at the University of Michigan have recently come down with influenza, with a large majority of cases being unvaccinated.
