Polio Vaccine

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Polio: An Infectious Disease with Serious Consequences

Polio is an infectious disease caused by a virus that lives in the intestines and throat. It spreads through these parts and can result in paralysis in the legs, arms, and even the brain. People who are unvaccinated or have compromised immune systems are especially vulnerable. A person who has the polio virus can infect others through contact with contaminated water or food. They can also infect themselves by breathing in droplets of the virus.

Symptoms and Diagnosis of Polio

Symptoms of polio vary from person to person, but the diagnosis of polio can be made with a polymerase chain reaction (PCR) test. These tests can be performed on stool, throat swabs, blood, and cerebrospinal fluid samples. The poliovirus is excreted intermittently for about one to two months after exposure. Typically, 80% of people who are exposed excrete the virus within the first two weeks of infection. If the symptoms are severe, patients may require respiratory support and the use of a ventilator.

The Importance of Polio Vaccination

The vaccine used to treat polio is a combination of live attenuated poliovirus serotypes. It contains a 10:1:3 ratio of serotypes, which are killed with formalin. These polioviruses are then adsorbed onto a variety of adjuvants. The final vaccine mixture contains about 40 d-antigen units from serotypes 1, 2, and 3. The goal of the vaccine is to prevent polio from spreading and killing people.

Transmission and Prevention of Polio

Polio is a highly contagious disease that mostly affects children under age five. It can be transmitted by contact with infected feces, touching infected objects, and from person to person. It can also be spread through coughs and sneezes. The polio virus lives in the throat and intestines and can infect others.

The Effectiveness of the Polio Vaccine

The vaccine for polio is highly effective, preventing paralysis and reversible damage to limbs. While the vaccine is not 100% effective, it helps prevent the disease and the subsequent spread of the virus. People can also be infected without ever showing symptoms. It is important to get the vaccine for polio as soon as possible.

Efforts to Eradicate Polio

Today, polio is rare, but is still present in some areas of the world. Although the number of people affected has decreased dramatically, international efforts to eradicate polio remain. There are two main types of polio: non-paralytic and paralytic. Abortive poliomyelitis involves flu-like symptoms in the early stages of the disease and does not cause permanent damage. Non-paralytic poliomyelitis, on the other hand, can lead to serious complications and may require hospitalization.

The Risk of Paralysis and the Importance of Vaccination

About one in 200 people with polio experience paralysis. Typically, this paralysis affects one side of the body. The vaccine protects against this type of polio, but unvaccinated people or those with immunocompromising conditions may not have immunity to the vaccine.

In Conclusion

Polio is an infectious disease caused by a virus that lives in the intestines and throat. It spreads through these parts and can result in paralysis in the legs, arms, and even the brain. People who are unvaccinated or have compromised immune systems are especially vulnerable. A person who has the polio virus can infect others through contact with contaminated water or food. They can also infect themselves by breathing in droplets of the virus.

September 12, 2022
Category:

Health

Subcategory:

Illness

Subject area:

Polio

Number of pages

3

Number of words

553

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63

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