Health authorities in both countries announced that people under certain age cutoffs are now ineligible for the Spikevax COVID-19 shot due to its association with heart inflammation.

President Biden’s planned rollout of additional COVID-19 vaccine doses is set to begin next week, but questions remain about who should get them.

A former academic and consultant, Hodge cofounded the CrisiScience Collective to help combat the pandemic.

The vaccines remain protective against serious disease and death.

The milestone marks the first fully-approved COVID-19 vaccine in the United States.

CDC investigators continue to search for the source of the bacteria that caused four infections—two of them lethal—in four different states. The Scientist spoke with melioidosis expert Bart Currie about the disease.

As a result of massive summer gatherings in and around Cape Cod, hundreds of vaccinated people tested positive for COVID-19 with viral titers similar to unvaccinated patients.

Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.

The majority of people experiencing anaphylaxis had a history of allergic reactions, a report by the agency finds.

From immigration reform to climate change amelioration, researchers and science policy advocates share their hopes for 2021 and beyond.

J. Michael Lane was the director of the CDC’s successful program to eradicate smallpox.

An online conspiracy theory retweeted by President Donald Trump misconstrued data regarding the number of people who have died from the coronavirus.

Actual cases may be as much as 6 to 24 times higher than reported, but we’re still a long way off from herd immunity.

The Trump administration suggests deploying the National Guard to ensure timely data sharing into a new, centralized database.

An open letter points to outbreaks that cannot be explained by large droplets and contact with surfaces alone.

Autopsies recently carried out in California show that one person died of the disease on February 6—three weeks before the nation recorded its first fatality.

Assembling the first COVID-19 test kits in the same room as coronavirus material, along with other practices that didn’t follow protocol, made the tests unusable, officials say.

Scientists at academic labs equipped to test for SARS-CoV-2 report that multiple barriers are preventing from them from operating at full capacity.

Current methods to detect infections of the novel coronavirus rely on identifying particular genetic sequences, but new assays are being developed to meet the growing demand for rapid answers.