by Chandré Blignaut | Jun 9, 2021 | Featured, News
Quadrivalent flu vaccine protects against 2021 flu strains Annual vaccination is still vital Johannesburg, 9 June 2021: Each year severe illness caused by influenza (flu) affects between 3 and 5 million people worldwide,1 with up to 650 000 deaths – over 11 000 of...
