Vaccine and booster side effects can include fever, aches and fatigue. And this may be the first vaccine in history where people complain if they don't experience side effects, says one doctor.
Jacqueline Muna Musiitwa was planning for her mom to fly from Zambia to the U.S. for Christmas. Ever-changing travel bans are making it seem like a holiday dream that won't come true.
The variant is bringing out the worst in some Western governments and global media outlets, says Dr. Ifeanyi Nsofor, a global health advocate in Nigeria.
More than 400 people who died of COVID were secretly interred in a mass grave on the outskirts of the city of Iquitos. Families are demanding a proper burial for their loved ones.
How did this new strain of the coronavirus evolve? Researchers are investigating various possibilities. One leading theory involves ... just one person.
African nations are bristling at the restrictions imposed on them by rich countries — and say they are harmful to local economies and discriminate against countries in the region.
Preliminary data about omicron suggests the variant became widespread across southern Africa in a very short period of time. Scientists say its many mutations may play a role in its transmissibility.
One of the surprising aspects of the pandemic is that symptoms can linger months after infection. This syndrome has been called "long COVID," and it's had a profound impact on many people's lives.
Scientists have evidence that SARS-CoV-2 is circulating in white-tailed deer in the U.S. They say the findings could essentially dash any hopes of eliminating the virus in the U.S. — and the world.
The U.S. is entering an uneasy stretch of the pandemic. Despite progress, the delta surge is dragging on in certain regions. Can vaccines ward off a big surge over the holidays?
Scientists caution that as the planet warms, more Americans could be exposed to disfiguring varieties of the Leishmania parasite. Overtreatment can be a problem, too, experts warn.
Oxford-AstraZeneca promised its COVID-19 vaccine would be effective, cheap and available worldwide. Five months after its launch, the path forward has been anything but smooth.