👉 Pneumoencephalitis, also known as meningitis, is a type of inflammation in the brain caused by an infection or inflammation. It is often characterized by symptoms like headache, fever, and neck stiffness that can persist for several days, but it may not be immediately apparent until symptoms worsen later on. Symptoms usually appear after the onset of meningitis, which typically occurs during the first few weeks of life, although some cases may occur later in infancy or childhood. Pneumo
