Question 1

What is polio and how does it affect the body?

Accepted Answer

Polio, or poliomyelitis, is a highly contagious viral infection that primarily affects the nervous system. In severe cases, it can cause paralysis by damaging motor neurons in the spinal cord. Most people infected with the poliovirus show no symptoms, but some develop flu-like signs, and a small percentage may experience muscle weakness or long-term complications.

Question 2

Is polio still a concern in the United States today?

Accepted Answer

Polio has been eliminated in the U.S. due to routine vaccination, but it remains a global concern. Travelers returning from polio-endemic regions can introduce the virus. The CDC continues to recommend polio vaccination for at-risk individuals.
Source: CDC

Question 3

What are the symptoms of polio?

Accepted Answer

Common symptoms of polio include fever, sore throat, headache, nausea, fatigue, and stiffness in the neck and back. In more severe cases, individuals may develop muscle weakness or paralysis, typically affecting the legs more than the arms.

Question 4

How is polio transmitted from person to person?

Accepted Answer

Polio spreads primarily through contact with infected fecal matter or, less commonly, through respiratory droplets. Contaminated food or water and poor hygiene are common transmission pathways, especially in areas with inadequate sanitation.

Question 5

Can polio be cured or only prevented?

Accepted Answer

There is no cure for polio once the virus infects the body. Treatment focuses on managing symptoms and supporting recovery. However, polio can be effectively prevented through vaccination, which provides long-lasting protection against the virus.

Question 6

What vaccines are used to prevent polio?

Accepted Answer

The two primary vaccines are the inactivated poliovirus vaccine (IPV) and the oral poliovirus vaccine (OPV). In the U.S., only IPV is used because it does not carry a risk of vaccine-derived poliovirus.
Source: CDC

Question 7

What age should children receive the polio vaccine?

Accepted Answer

The CDC recommends IPV at 2 months, 4 months, 6–18 months, and a booster at 4–6 years. This four-dose schedule ensures long-term protection against polio.
Source: CDC

Question 8

Can adults get polio if they were never vaccinated?

Accepted Answer

Yes. Unvaccinated adults can contract polio, particularly when traveling to countries where the virus is still present. Adults with incomplete or unknown vaccination history should receive the IPV series.
Source: CDC

Question 9

What are the long-term effects of polio?

Accepted Answer

Long-term effects may include permanent muscle weakness, paralysis, joint deformities, and post-polio syndrome—a condition that causes fatigue and weakness years after the initial illness.
Source: NIH - NINDS

Question 10

How can polio be prevented during travel to risk areas?

Accepted Answer

Travelers to polio-affected regions should ensure they are fully vaccinated. The CDC may recommend an adult booster dose of IPV if it's been more than 10 years since the last vaccination. Practicing good hygiene and avoiding contaminated food and water also reduces the risk.

Polio Medications