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Meningococcal disease describes infections caused by the bacterium Neisseria meningitidis (also termed meningococcus). [1] It has a high mortality rate if untreated but is vaccine-preventable. [2] While best known as a cause of meningitis, it can also result in sepsis, which is an even more damaging
Meningococcal vaccine refers to any vaccine used to prevent infection by Neisseria meningitidis. [9] Different versions are effective against some or all of the following types of meningococcus: A, B, C, W-135, and Y. [9] [10] The vaccines are between 85 and 100% effective for at least two years. [9]
[6] [7] Suspicion of meningitis is a medical emergency and immediate medical assessment is recommended. Current guidance in the United Kingdom is that if a case of meningococcal meningitis or septicaemia (infection of the blood) is suspected, intravenous antibiotics should be given and the ill person admitted to the hospital. [8]
The term aseptic meningitis refers to cases of meningitis in which no bacterial infection can be demonstrated. This type of meningitis is usually caused by viruses, but it may be due to bacterial infection that has already been partially treated, when bacteria disappear from the meninges, or when pathogens infect a space adjacent to the ...
Some of the possible symptoms of chronic meningitis (due to any cause) include headache, nausea and vomiting, fever, and visual impairment. Nuchal rigidity (or neck stiffness with discomfort in trying to move the neck), a classic symptom in acute meningitis, was seen in only 45% of cases of chronic meningitis with the sign being even more rare in non-infectious causes.
The CDC has issued a travel advisory after some U.S. residents were diagnosed with suspected fungal meningitis infections after procedures in Mexico.
Digiscoping waterfowl Typical uncropped digiscope image; the spotting scope has 20x magnification. Camera focal length is 24 mm; distance to the subject is about 90 meters. Digiscoping is a neologism for afocal photography, using a camera to record distant images through the eyepiece of an optical telescope.
Viral meningitis, also known as aseptic meningitis, is a type of meningitis due to a viral infection. It results in inflammation of the meninges (the membranes covering the brain and spinal cord). Symptoms commonly include headache, fever, sensitivity to light and neck stiffness. [1] Viruses are the most common cause of aseptic meningitis.