Children and adults classically have a fever, severe headache, photophobia, neck stiffness, vomiting, confusion, delirium, and seizures, while elderly patients may have atypical
[symptoma.com]
The signs and symptoms to watch out for include sudden onset of severe headache, fever, vomiting, neck stiffness and photophobia (dislike for light).
[pulse.com.gh]
[…] removal or a spleen that does not function Symptoms usually come on quickly, and may include: Fever and chills Mental status changes Nausea and vomiting Sensitivity to light ( photophobia
[nlm.nih.gov]