Protect yourself and others in winter

Many illnesses occur most frequently in the winter months. Understanding why illnesses follow seasonal trends would be an important step toward predicting and stopping outbreaks.

winter sickness Source: SBS

Cold weather leads to constriction of the airways and suppression of the processes that defend against infection.

Cold temperatures also put stress on the cardiovascular system, affecting blood pressure, constriction of blood vessels, inflammation and even heart attacks.