There is no direct correlation between fever and meningitis in one-month-old babies because fever is not the main cause of meningitis and not all fevers are associated with meningitis. Meningitis does not necessarily occur immediately after the onset of fever symptoms if the baby’s fever is caused by a cold fever or a lung infection, for example. Meningitis is usually caused by a variety of infections, such as bacterial, fungal or rickettsial infections, which cause lesions in the central nervous system. If these infections are not controlled in a timely manner, high fever, nausea, and twitching of the limbs can occur. It should be noted that fever does not necessarily cause meningitis, but patients with meningitis will experience fever, and it is recommended to visit the hospital in time for early and regular treatment.