QHMS reminds you:
Seasonal influenza activity in Hong Kong usually peaks between January and March/April, with another peak in July to August. After vaccination, it takes around 2 weeks for the body to develop antibodies against the virus.
Did you know?
- As of April 2025, Centre for Health Protection reported 599 adult cases requiring ICU admission or resulting in death, with over 70% of severe cases involving individuals who were unvaccinated for the seasonal flu.
- For children: flu vaccination can help reduce school absences and community transmission.
- For adult: healthy individual can get unwell from flu. All persons should get flu shot annually if they do not have a known contraindication.
- For elderly: elderly is generally at higher risk of complications, hospitalization and death from influenza.