Why was the polio vaccine necessary?

Is the polio vaccine harmful?

Risks and Side Effects of Polio Vaccination

Most people don’t have any problems with it at all. However, the polio vaccine, like any medicine, could potentially cause serious problems, such as a severe allergic reaction. The risk that the vaccine could cause any serious harm is extremely small.

How did vaccines affect polio?

Side effects include fever and redness or soreness at the injection site. There is a very small chance of an allergic reaction with any vaccine. The IPV vaccine contains a killed (inactivated) virus, so it cannot cause polio.

When did they stop giving the polio vaccine?

OPV was recommended for use in the United States for almost 40 years, from 1963 until 2000. The results have been miraculous: Polio was eliminated from the United States in 1979 and from the Western Hemisphere in 1991. Since 2000, only IPV is recommended to prevent polio in the United States.

Where did polio originally come from?

The source of reinfection was wild poliovirus originating from Nigeria. A subsequent intense vaccination campaign in Africa, however, led to an apparent elimination of the disease from the region; no cases had been detected for more than a year in 2014–15.

IT IS IMPORTANT:  Which antibody is produced in secondary immune response?

What countries still have polio 2020?

Wild poliovirus has been eradicated in all continents except Asia, and as of 2020, Afghanistan and Pakistan are the only two countries where the disease is still classified as endemic.

What were the long term effects of polio vaccine?

Their analysis show that exposure to the vaccine against polio doesn’t seem to have any long-term effect on adult income, educational achievement, or health, and the authors attribute this lack of effect to the apparent non-scarring nature of exposure to polio epidemics.

Has polio been cured?

There is no cure for polio, it can only be prevented. Polio vaccine, given multiple times, can protect a child for life.

Can you still get polio if you’ve been vaccinated?

Do people still get polio in the United States? No, thanks to a successful vaccination program, the United States has been polio-free for more than 30 years, but the disease still occurs in other parts of the world.

What caused polio?

Polio is caused by 1 of 3 types of the poliovirus. It often spreads due to contact with infected feces. This often happens from poor handwashing. It can also happen from eating or drinking contaminated food or water.

Does Canada still vaccinate for polio?

Poliomyelitis-containing vaccines

Live attenuated oral polio vaccine (OPV) is no longer recommended or available in Canada because most cases of paralytic polio from 1980 to 1995 were associated with OPV vaccine. OPV vaccine continues to be widely used internationally.