Once in a while, we all succumb to seasonal influenza, commonly known as the flu.
Seasonal influenza outbreaks are caused by small changes in viruses that are already circulating around us, and to which many people have some immunity.
Already a subscriber? Log in
Play, subscribe and stand a chance to win prizes worth over RM39,000! T&C applies.
Cancel anytime. Ad-free. Unlimited access with perks.
