- Where did polio originally come from?
- How was polio made?
- When was polio at its worst?
- Which country invented polio?
- How long does the polio vaccine last?
- Is polio a man made disease?
- What year was the polio scare?
- What animal does Polio come from?
- What stopped polio?
- Does polio still exist?
- Can polio be passed down genetically?
- Do animals get polio?
- What is the mortality rate of polio?
Where did polio originally come from?
1894, first outbreak of polio in epidemic form in the U.S.
occurs in Vermont, with 132 cases.
1908, Karl Landsteiner and Erwin Popper identify a virus as the cause of polio by transmitting the disease to a monkey..
How was polio made?
In 1905, Wickman first recognized that poliomyelitis was an infectious disease. Landsteiner and Popper demonstrated in 1909 that the etiological agent of poliomyelitis was a filterable virus. They transmitted the disease to a Cynocephalus monkey by intraperitoneal injection of neural tissue from a human fatal case.
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.
Which country invented polio?
Some European countries imported the Salk IPV from the US whereas some other like the Netherlands, Denmark, and Sweden started production of Salk IPV in their own public health production units .
How long does the polio vaccine last?
The minimum interval between the next-to-last and last doses in the polio vaccination series is 6 months and the last dose should be at age 4 years or older.
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 year was the polio scare?
The disease had first emerged in the United Sates in 1894, but the first large epidemic happened in 1916 when public health experts recorded 27,000 cases and 6,000 deaths—roughly a third in New York City alone.
What animal does Polio come from?
Although humans are the only known natural hosts of poliovirus, monkeys can be experimentally infected and they have long been used to study poliovirus. In 1990–91, a small animal model of poliomyelitis was developed by two laboratories. Mice were engineered to express a human receptor to poliovirus (hPVR).
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.
Does polio still exist?
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.
Can polio be passed down genetically?
No. Post polio syndrome is not inherited .
Do animals get polio?
As far as we know, these enteroviruses are not zoonotic viruses, that is, they do not leap from animals to humans. Nevertheless, there are other poliovirus strains that do infect animals. An example is the simian poliovirus, which stays within apes and monkeys.
What is the mortality rate of polio?
The mortality rate for acute paralytic polio ranges from 5–15%. The paralysis can progress for up to one week. Permanent weakness is observed in two-thirds of patients with paralytic poliomyelitis.