Vaxigrip Tetra® – The quadrivalent influenza vaccine
Influenza, also known as “flu”, is an acute viral infection of the respiratory tract caused by influenza viruses. There are three types of seasonal influenza viruses – A, B and C, with A and B flu viruses causing most cases of seasonal flu. Flu viruses circulate in all parts of the world, causing illness that can range from mild to severe, and even death. Globally, it is estimated that flu can cause up to five million people to have severe, complicated illness, with between 290 000 to 650 000 flu-related deaths each year. In South Africa, it is estimated that 11 800 people lose their lives annually from flu-related illnesses.