Schools Closing Due To Widespread Flu

Ever see this before?
I’m visiting Knoxville and saw on the news they’re closing schools due to the flu.
Seemed odd, did a search and it is happening.
www.knoxnews.com/story/news/health/2018/02/02/knox-county-schools-closed-monday-tuesday-illness/302793002/
Happening a bit around the country too.

www.dailymail.co.uk/health/article-5340933/Flu-mayhem-drives-school-closings-disinfect-rooms.html
Schools in at least 12 states close to fight against the flu
www.cbsnews.com/news/schools-in-at-least-12-states-close-to-fight-against-the-flu/
More Schools Closing Due To Flu
ELLIS COUNTY, Texas (CBS11) – Stafford and Italy ISD schools will be closed Thursday, February 1 and Friday, February 2 while cleaning crews decontaminate the schools for a high number of faculty and students who are out sick with the flu.

dfw.cbslocal.com/2018/01/31/schools-closing-flu/
Michigan school closed for two days after widespread flu
www.wndu.com/content/news/Michigan-school-closed-for-two-days-after-widespread-flu-472260673.html
FLU EPIDEMIC CLOSES VIRGINIA SCHOOL
www.wusa9.com/mobile/article/news/local/virginia/flu-epidemic-closes-virginia-school/513931092
Those are just a few out of many cases around the country
Southeast Michigan School and Business Closings
www.wxyz.com/weather/school-closings-delays
AC