Pertussis Notification
Sep 18, 2026
Date: 9/18/26 Dear Parent or Guardian, This letter is to inform you that a student has been diagnosed with pertussis at HERSCHER HIGH SCHOOL, commonly known as whooping cough. Because your child may have been exposed, we want to provide you with important information about the signs of this illness and the steps you should take to protect your family. What is Pertussis? Pertussis is a highly contagious respiratory infection caused by bacteria. It spreads through the air when an infected person coughs or sneezes. . . .