Flu Season 2022-2023 FAQs for Patients With each passing year, influenza viruses change. This means we must get vaccinated against flu every year to best protect ourselves and those around us from getting sick. Flu is a complicated and unpredictable illness, making it difficult to protect ourselves with natural remedies. The most successful way to prevent incurring flu each season is to receive flu vaccination. On behalf of the CDC and the team of medical ...