Coronavirus developments: 3 more cases; Cerner employee tests positive; Mahomes makes Harvesters donation

On Tuesday, the Kansas City area's most populous county reported its first coronavirus case. The Jackson County Health Department reported that a woman in her 80s tested positive for COVID-19, the disease caused by the coronavirus. According to KCUR, the case was identified by a private testing laboratory. Wyandotte County reported two new cases of coronavirus. The county, which now has had three cases, also is the site of the area's first death from COVID-19. In Kansas, there have been 16 cases.…