COVID-19

It has become the battle cry of public health officials around the world: "Wear a mask to slow the spread." Friday, the U.S. Centers for Disease Control and Prevention released new evidence supporting this advice.

Researchers analyzed coronavirus infection rates in Kansas following a statewide mask mandate. They found that counties that chose to enforce the mandate saw their cases decrease. Counties that chose to opt out saw their cases continue to rise.

A once-promising treatment against COVID-19 has fallen out of favor with the World Health Organization.

On Thursday, a WHO review panel issued new guidelines recommending against the use of remdesivir for COVID-19 — even though the medicine is one of the few to win regulatory approval as a treatment for the disease.

Tyson Foods Inc., which says it produces 20% of the beef, pork and chicken in the U.S., has suspended managers at an Iowa plant accused of participating in a betting pool on how many employees would become ill with COVID-19.

President and CEO Dean Banks also announced on Thursday the company has launched an investigation led by former Attorney General Eric Holder into the allegations.

Over the past week several states have obliterated coronavirus infection records, surpassing the peak in the spring, including Michigan which now ranks sixth nationally in coronavirus cases and fifth for the number of COVID-19-related deaths, according to state data released on Wednesday.