Peak time for flu, colds: Why does sickness surge in winter's chilly temperatures?
METRO CREATIVE CONNECTIONAs winter drags on, so does the season for colds, stomach viruses, strep and the flu. Many illnesses occur most frequently in the winter months - And peak season can last through May. Winter is prime season for influenza, according to the Centers for Disease Control and Prevention.
from Biotech News