Friday, 1/8/2025 | 17:01 GMT+7

Experts explain flu-like symptoms after vaccination

Headaches and fatigue after vaccination indicate the immune system is activating, preparing to fight real pathogens in the future.

Doctor Truong Huu Khanh explains flu-like symptoms after vaccination. Video: VNVC

Dieu Thuan

Experiencing headaches and fatigue after receiving a vaccine is a sign that the immune system is being activated. This activation is a normal response and indicates the body is preparing to defend against future encounters with actual pathogens. Doctor Truong Huu Khanh further elaborates on this phenomenon in the accompanying video provided by VNVC.

By VnExpress: https://vnexpress.net/chuyen-gia-ly-giai-hoi-chung-gia-cum-sau-tiem-vaccine-4921519.html

Tags: immunity vaccination vaccine disease prevention

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