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Friday, October 16, 2026 · Riyadh
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Feeling tired after vaccination signals immune response, not illness: expert

Fatigue after receiving a vaccine is a sign of the body's immune response, not an indication of illness, according to a Riyadh-based infectious diseases consultant.

Ajel News1 hour ago · 1 min read
Doctor discusses vaccine side effects on TV

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A consultant in internal medicine and infectious diseases at the First Riyadh Health Cluster, Dr. Alaa Al-Ali, said that feeling tired after receiving a vaccine does not mean you have contracted the illness.

Speaking to Al Ekhbariya TV, he explained that fatigue is actually a sign that the body is responding to the vaccine and building immunity to protect against viral infections.

Al-Ali also noted that vaccines are updated periodically to address changes and mutations in the virus itself.

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