Who should get vaccinated? And when should they get vaccinated?
Who should get vaccinated?: Recommended for everyone aged 6 months and older, but especially recommended for high-risk groups such as young children, the elderly, or those with underlying medical conditions.
When should they get vaccinated?: Annual vaccination is recommended, with the best time being "before the flu season," which in Thailand is during the rainy season (approximately May - August). This is because it takes about two weeks for the body to build immunity after vaccination.
2026 Trivalent Influenza Vaccine (1 dose)
2026 Trivalent Influenza Vaccine for ages 15 and up.
According to the WHO, the virus outbreaks in the Southern Hemisphere and Thailand in 2026 are:
- A/Missouri/11/2025 (H1N1)pdm09-like virus
- A/Singapore/GP20238/2024 (H3N2)-like virus
- B/Austria/1359417/2021 (B/Victoria lineage)-like virus
2026 Quadrivalent Influenza Vaccine (1 dose)
Quadrivalent influenza vaccine (2026) Southern Hemisphere (for individuals 15 years and older)
Protects against the following strains:
- A/Missouri/11/2025 (H1N1)pdm09-like virus
- A/Singapore/GP20238/2024 (H3N2)-like virus
- B/Austria/1359417/2021 (B/Victoria lineage)-like virus
- B/Phuket/3073/2013 (B/Yamagata lineage)-like virus
2026 Trivalent Influenza Vaccine High Dose (1 dose)
2026 High-Dose Trivalent Influenza Vaccine for ages 60 and above.
According to the WHO, the virus outbreaks in the Southern Hemisphere and Thailand in 2026 are:
- A/Missouri/11/2025 (H1N1)pdm09-like virus
- A/Singapore/GP20238/2024 (H3N2)-like virus
- B/Austria/1359417/2021 (B/Victoria lineage)-like virus
For more information, please contact
Lifestyle Health Screening Center, G Floor, Building 2. Tel. 02-561-1111 ext. 2110-2111
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