A flu vaccine is for one season only, not for life! This is because the viruses that cause the flu change regularly. That's why you need to get this year's jab which is designed to protect you, your family and patients from the latest strains.
A flu vaccine is for one season only, not for life! This is because the viruses that cause the flu change regularly. That's why you need to get this year's jab which is designed to protect you, your family and patients from the latest strains.