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Most infections are asymptomatic, lacking symptoms, whereas most symptomatic cases are mild illnesses. [1] [12] Virus-specific symptoms may also exist or tests may indicate one virus. Specific examples include: [1] Enterovirus 71 may cause tremors, twitching, impaired balance and coordination, fluid accumulation in the lungs, and cranial nerve ...
It can be caused by a bacterial infection, such as bacterial meningitis, [17] or may be a complication of a current infectious disease such as syphilis (secondary encephalitis). [18] Other bacterial pathogens, like Mycoplasma and those causing rickettsial disease, cause inflammation of the meninges and consequently encephalitis.
The CNS viral diseases are caused by viruses that attack the CNS. Existing and emerging viral CNS infections are major sources of human morbidity and mortality. Virus infections usually begin in the peripheral tissues, and can invade the mammalian system by spreading into the peripheral nervous system and more rarely the CNS.
Infections of the central nervous system (CNS) consist of infections primarily of the brain and spinal cord. They include mostly viral infections, less commonly bacterial infections, fungal infections, prion diseases and protozoan infections. Neonatal meningitis is a particular classification by age.
The tick-borne encephalitis virus is known to infect a range of hosts including ruminants, birds, rodents, carnivores, horses, and humans. The disease can also be spread from animals to humans, with ruminants and dogs providing the principal source of infection for humans. [4]
The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. The new ...
Wetland virus is a new tick-borne illness identified by researchers in China. Experts explain symptoms and treatment and how it may damage the brain. There’s a Newly-Discovered Deadly Tick-Borne ...
The cause of PML is a type of polyomavirus called the JC virus (JCV), after the initials of the person (John Cunningham) from whose tissue the virus was first successfully cultured. Publications indicate 39 [ 3 ] to 58% [ 4 ] of the general population are seropositive for antibodies to JCV, indicating current or previous infection with the virus.