An unvaccinated young adult from New York recently contracted it polio: This is the first case in the United States in a decade, as health officials also confirmed.
According to what emerged, the patient resides in the Rockland County and developed paralysis. The first symptoms appeared about a month ago and the boy has not recently traveled abroad: apparently the patient has contracted a strain of vaccine-derived virus and it is very likely that it was transmitted to him by a subject vaccinated with a drug that contains it live polio virus. This type of vaccine is not available in the United States, but in other countries.
The young man who contracted polio is no longer considered contagious, but health officials are trying to find out how many people he came in with. in touch in the last few weeks. Fortunately, most Americans have received the polio vaccine, but unvaccinated people can be at significant risk, said Patricia Schnabel Ruppert, Rockland County Health Commissioner. Health officials have scheduled the opening of vaccination centers for tomorrow and Monday and have encouraged those who have not been vaccinated to get vaccinated as soon as possible.
what is polio
Poliomyelitis is a serious infectious disease that affects the central nervous system that mainly affects spinal cord motor neurons. The spread of this pathology peaked in the United States in 1952, with more than 21,000 cases recorded. In Italy, in 1958, more than 8,000 infections were reported.
As explained by the Istituto Superiore della Sanità “the disease is caused by three types of poliovirus (1, 2 and 3), belonging to the enterovirus genus, which invade the nervous system in a few hours, destroying the affected neural cells and causing paralysis that can become total in severe cases. In general, polio has more devastating effects on the leg muscles than on the arm muscles. The legs lose muscle tone and become flaccid, a condition known as flaccid paralysis. infection extend to all limbs, the patient can become quadriplegic. In the most severe form, the bulbar, the virus paralyzes the muscles innervated by the cranial nerves, reducing breathing capacity, ingestion and speech. In this case, it is necessary to support the patient with breathing In the 1950s, steel lungs were very popular for this purpose, replaced today by much more agile tools”.
How poliovirus is transmitted
The ISS also states that “the contagion occurs via the fecal-oral route, through the ingestion of contaminated water or food or through the saliva and droplets emitted with coughing and sneezing from sick individuals or healthy carriers. The poliovirus multiplies in the oropharyngeal mucosa, in the intestine and underlying lymphatic tissues and can also be spread in the faeces, long before symptoms of the disease manifest. Man represents the only natural reservoir of the polio virus, which can affect people of all ages, but occurs mainly in children under three years old”.
Source: Fan Page IT
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