Signs and symptoms usually begin within a week but can start 1–21 days after exposure.
Symptoms typically last 2–4 weeks but may last longer in someone with a weakened immune system.
Children, pregnant people and people with weak immune systems are at risk for complications.






![[PHOTOS] Council of Governors visits Raila's grave](/_next/image?url=https%3A%2F%2Fcdn.radioafrica.digital%2Fimage%2F2025%2F10%2F59c8111a-6f0d-4719-8587-7e965c4bdd34.jpg&w=3840&q=100)





