Whooping cough outbreak closes Texas school despite 100-percent vaccination rate: officials
https://healthell.blogspot.com/2019/12/whooping-cough-outbreak-closes-texas.html
Whooping cough outbreak closes Texas school despite 100-percent vaccination rate: officials
An outbreak of the highly contagious whooping cough has forced one school in Houston, Tex., to close its doors early for the holiday break.
