The U.S. Centers for Disease Control and Prevention released single-page “decision tool” documents on Thursday to direct businesses and other establishments through safe reopening procedures during the coronavirus pandemic. The guidance includes specific recommendations for schools, workplaces, camps, child care centers, mass transit systems, bars, and restaurants but not churches.

Editor’s Note: WORLD will periodically update this interactive timeline as the coronavrius pandemic unfolds.

In early March I discussed past research showing a link between vitamin D deficiency and increased susceptibility to seasonal respiratory illnesses. While that research, published in 2017, did not address the new coronavirus, the insights about immunity likely apply to a wide range of viral illnesses, possibly including COVID-19.

Wisconsinites dropped in for drinks at their local bars for the first time since March. The state’s order closing restaurants and limiting gatherings abruptly ended on Wednesday when the Wisconsin Supreme Court struck down Democratic Gov. Tony Evers’ coronavirus stay-at-home order in a 4-3 ruling.

The first week of May, Samaritan’s Purse began disinfecting and packing up its tents from its Central Park field hospital after a six-week deployment at the epicenter of the nation’s COVID-19 outbreak. 

Federal investigators have recommended the U.S. Department of Health and Human Services reinstate vaccine expert Rick Bright during the investigation into his whistleblower complaint. Bright accused Trump administration officials of failing to act on critical information about the burgeoning coronavirus pandemic.

A condition that may be related to COVID-19 has claimed the lives of two young children and a teenager in New York. Physicians in the state have diagnosed at least 73 children with an inflammatory illness similar to Kawasaki disease and toxic shock syndrome, Gov. Andrew Cuomo said Saturday. Most of the patients are toddlers or school-age children who develop swollen blood vessels and heart problems.