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Varicella spreads person to person through the air from coughing or sneezing, touching or breathing in the virus that comes from the chickenpox blisters, and can be spread from people with shingles. It takes 10 to 21 days after exposure to develop symptoms and it lasts about 5–10 days.
Most cases of polio are asymptomatic, while about 1 out of every 4 people will experience flu-like symptoms, including sore throat, fever, fatigue, nausea, headache and stomach pain, which ...
According to the CDC, 99% of children who get the recommended polio doses are protected against disease, but protection takes weeks to build up. Racaniello estimated that people have 50% to 60% ...
The flu-like symptoms may not seem too bad, but polio brings devastating complications for some. Up to 5% of polio patients develop meningitis , the inflammation of the tissues surrounding the ...
Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
Post-polio syndrome (PPS, poliomyelitis sequelae) is a group of latent symptoms of poliomyelitis (polio), occurring at about a 25–40% rate (latest data greater than 80%). They are caused by the damaging effects of the viral infection on the nervous system and typically occur 15 to 30 years after an initial acute paralytic attack.
The virus infects the throat and intestines, and can cause flu-like symptoms. Paralysis from the polio virus is rare. This year, polio cases have been detected in New York state, London and Jerusalem.
Polio-like syndrome is a general description of a group of symptoms which mimic polio, including rarely permanent paralysis. Various triggers have been found, including some viruses from the same virus group as polio: enterovirus 68, enterovirus 71, and coxsackievirus A7. [1] [2] These are suspected in many cases of acute flaccid myelitis.