How do you get acute meningitis

Acute meningitis mainly refers to the infection of the central nervous system caused by viruses, bacteria, fungi, spirochetes, rickettsias and parasites, which affects the meninges. Because the clinical manifestations are different, the severity of the disease is also different. How is acute meningitis obtained? Generally speaking, the central nervous system infection caused by these pathogens is mainly divided into bloodstream infection, direct infection or retrograde infection. Hematogenous infection mainly refers to the pathogen through the respiratory tract, skin and mucosa, and then into the bloodstream, from the blood system into the intracranial, direct infection mainly refers to these pathogens through this penetrating trauma or adjacent structure infection, such as intracranial spread. Retrograde infection mainly refers to the pathogen along the nerve trunk retrograde, and then into the intracranial, such as herpes simplex virus, rabies virus, generally retrograde infection.