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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 ...
Encephalitis is inflammation of the brain. [5] The severity can be variable with symptoms including reduction or alteration in consciousness, aphasia, headache, fever, confusion, a stiff neck, and vomiting. [1] [6] Complications may include seizures, hallucinations, trouble speaking, memory problems, and problems with hearing. [1]
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.
Unfortunately, norovirus infections can and do happen. “Norovirus is a ubiquitous virus that everyone experiences multiple times in their life,” Adalja says. The best you can do is try to ...
The most common causes of viral meningitis in the United States are non-polio enteroviruses. The viruses that cause meningitis are typically acquired from sick contacts. However, in most cases, people infected with viruses that may cause meningitis do not actually develop meningitis. [5] Viruses that can cause meningitis include: [17]
Most viruses that enter can be opportunistic and accidental pathogens, but some like herpes viruses and rabies virus have evolved in time to enter the nervous system efficiently, by exploiting the neuronal cell biology. While acute viral diseases come on quickly, chronic viral conditions have long incubation periods inside the body.
Most people with CMV show no symptoms, but it can cause mild, cold-like illness. Plus, the study didn’t necessarily find that CMV causes Alzheimer’s disease.
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 ...