What Is The History Of Polio?

How bad was polio in the 1950s?

By the 1950s, polio had become one of the most serious communicable diseases among children in the United States.

In 1952 alone, nearly 60,000 children were infected with the virus; thousands were paralyzed, and more than 3,000 died..

How many cases of polio were there in 1950?

During the height of the polio threat in America (1900-1950s), these concerns were all too real. According to the Centers for Disease Control and Prevention (CDC), between 1950 and 1953 there were approximately 119,000 cases of paralytic polio in the United States and 6,600 deaths.

How many cases of polio are there in 2019?

To date, there have been 94 wild poliovirus cases reported in 2019, compared to 33 in all of 2018. In addition, several African nations reported single cases of vaccine-derived polio: Chad, Benin, the Democratic Republic of the Congo, Ghana, Ethiopia, Togo, and Zambia.

Is polio a man made disease?

The creation of the man-made polio virus came just a month after the World Health Organization had declared polio eradicated from Europe and projected total eradication of the disease by 2005. Last year, only 480 cases were reported in the world.

What countries still have polio 2020?

Our Progress Against Polio Only three polio-endemic countries (countries that have never interrupted the transmission of wild poliovirus) remain—Afghanistan, Nigeria, and Pakistan. Without our polio eradication efforts, more than 17 million people who are currently healthy would have been paralyzed by the virus.

What caused polio outbreak in the 50’s?

No one knew how polio was transmitted or what caused it. There were wild theories that the virus spread from imported bananas or stray cats. There was no known cure or vaccine. For the next four decades, swimming pools and movie theaters closed during polio season for fear of this invisible enemy.

How was polio spread in the 1950s?

Transmitted primarily via feces but also through airborne droplets from person to person, polio took six to 20 days to incubate and remained contagious for up to two weeks after.

When did they find a vaccine for polio?

Polio vaccine has been available since 1955. The inactivated polio vaccine (IPV) was available first, given as a shot, in 1955. A more convenient form, called oral polio vaccine (OPV), was given as liquid drops via the mouth. It was developed in 1961.

What stopped polio?

Several key strategies have been outlined for stopping polio transmission: High infant immunization coverage with four doses of oral polio vaccine (OPV) in the first year of life in developing and endemic countries, and routine immunization with OPV and/or IPV elsewhere.

When was polio at its worst?

At its peak in the 1940s and 1950s, polio would paralyze or kill over half a million people worldwide every year.

Why did polio spread so easily?

The polio virus usually enters the environment in the feces of someone who is infected. In areas with poor sanitation, the virus easily spreads from feces into the water supply, or, by touch, into food. In addition, because polio is so contagious, direct contact with a person infected with the virus can cause polio.

Does polio still exist?

Polio does still exist, although polio cases have decreased by over 99% since 1988, from an estimated more than 350 000 cases to 22 reported cases in 2017. This reduction is the result of the global effort to eradicate the disease.

Can polio be prevented?

The best way to prevent polio is by vaccination. The inactivated polio vaccine (IPV) is given as a shot and is the only type of polio vaccine available in the United States. The oral polio vaccine (OPV) was discontinued in 2000. Children should receive four doses of IPV vaccine starting at 2 months of age.

How did people get polio?

Poliovirus can be transmitted through direct contact with someone infected with the virus or, less commonly, through contaminated food and water. People carrying the poliovirus can spread the virus for weeks in their feces. People who have the virus but don’t have symptoms can pass the virus to others.

What animal did polio come from?

The discovery by Karl Landsteiner and Erwin Popper in 1908 that polio was caused by a virus, a discovery made by inoculating macaque monkeys with an extract of nervous tissue from polio victims that was shown to be free of other infectious agents.

How was polio cured?

Once the virus that causes polio has infected a person, there is no treatment that will cure polio. Early diagnosis and supportive treatments such as bed rest, pain control, good nutrition, and physical therapy to prevent deformities from occurring over time can help reduce the long-term symptoms due to muscle loss.