Coronavirus

Moderna has asked the Food and Drug Administration for emergency use authorization of its vaccine for children 12-17.

Johnson & Johnson says the expiration date for its COVID-19 vaccine has been extended an extra six weeks after a safety review.

The South Dakota Department of Health reported 23 new COVID-19 cases as active cases see a slight increase after a long downward trend.

Businesses are reopening rapidly as the rollout of vaccines allows Americans to feel more comfortable returning to restaurants, bars and shops.

Currently, the vaccine can be stored up to three months at refrigerator temperatures.

The Delta variant appears to be more contagious and may cause severe disease compared to other strains.

Federal data shows Iowa has slipped to 21st in the nation with 44.9% of the population fully vaccinated.

The death rates — posted online this week by federal health authorities — add to the growing body of evidence that the number of lives lost directly or indirectly to the coronavirus in the U.S. is far greater than the officially reported COVID-19 death toll of nearly 600,000 in 2020-21.

The new cases bring the state’s total case count to 124,314, 122,070 of which are considered recovered.

Here's a look at what is known about the U.S. investigation of the virus.