For many, the pandemic has disrupted daily habits around eating and fitness – which makes it a prime time to shake up old assumptions about achieving an ideal body.

Moderna claims its scientists alone invented the mRNA sequence used to produce its COVID-19 vaccine. The US government, which helped fund the drug, disagrees.

With limited vaccines available in early 2021, the CDC had to decide which people received vaccines first. With the help of a supercomputer, researchers have shown that the CDC did an excellent job.

The CDC’s COVID-19 vaccine provider agreement prohibits health care professionals from administering the vaccines in people for whom they are not yet authorized or approved. But this departs from longstanding norms.

The pandemic brought about a sharp rise in mental health concerns, deep unemployment and an unprecedented amount of social isolation – a potentially deadly combination alongside rising gun sales.

Chickenpox has largely disappeared from the public’s memory thanks to a highly effective vaccine. But the virus’s clever life cycle allows it to reappear in later adulthood in the form of shingles.

The two types of COVID-19 tests – antigen and PCR – work in very different ways, which is why one is fast but less accurate and the other is slow and precise.

Machine learning algorithms can help public health officials identify areas of high vaccine hesitancy by ZIP code to better target messaging and outreach and counter misinformation.

Vaccination campaigns like the ones that eventually eliminated polio and measles in the United States required decades of education and awareness in order to achieve herd immunity in the U.S. population.