“As chillier weather sets in across the country, certain illnesses rise to their peak and spread throughout schools and workplaces.Due to the evolution from hot to milder air and the piling of children back into schools, a mess of germs sparks the start of a new season of illnesses that sweep through every corner of the country. When the weather turns sharper with icy temperatures, colder air and darker skies in the winter, the threat of catching certain widespread illnesses turns greater.“

Accuweather