Tucson father convicted in clash over school COVID-19 mandates

In September 2021, cellphone video showed Kelly Walker and two other men in the doorway of an office at Mesquite Elementary School. They stated they would make a "citizen’s arrest" of the principal. Walker was upset his child would have to isolate and miss a school field trip because of possible exposure to someone with COVID-19.

What is RSV? US children's hospitals see rising number of cases

RSV cases fell dramatically two years ago as the pandemic shut down schools, day cares and businesses. With restrictions easing in the summer of 2021, doctors saw an alarming increase in what is normally a fall and winter virus.