What is subclinical polio?
It’s estimated that 95 to 99 percent of people who contract poliovirus are asymptomatic. This is known as subclinical polio. Even without symptoms, people infected with poliovirus can still spread the virus and cause infection in others.
What are the 3 different types of polio?
There are three wild types of poliovirus (WPV) – type 1, type 2, and type 3. People need to be protected against all three types of the virus in order to prevent polio disease and the polio vaccination is the best protection.
What is the key symptom of polio?
Paralysis is the most severe symptom associated with polio, because it can lead to permanent disability and death. Between 2 and 10 out of 100 people who have paralysis from poliovirus infection die, because the virus affects the muscles that help them breathe.
What are the stages of polio?
The course of the disease is divided into four stages:
- Prodromal Stage or Pre-Paralytic Stage- few hours to a few days and 1 to 3 days is the usual duration.
- Acute Stage-3 to 6 weeks from the onset of Poliomyelitis.
- Convalescent Stage- Duration 3 months.
- Stage of Recovery-This stage extends for almost 2 years.
What percent of polio is paralytic?
Less than one percent of polio cases result in paralysis.
What is poliovirus Slideshare?
Poliomyelitis, literally meaning “grey spinal cord inflammation It is a viral infection. INTRODUCTION Virus localized in the anterior horn cells of the spinal cord and certain brain steam motor nuclei. It is contagious: usually spread from person to person.
What is the difference between Type 1 2 and 3 poliovirus?
Type 1 causes paralysis in about 1 in 200 infections; Type 2 was last recorded in 1999; Type 3 is less virulent than type 1, causing paralysis in about 1 in 1000 cases.
Can you have a mild case of polio?
Cases with mild symptoms. People with this form may have a mild illness with symptoms similar to those from the flu. But the illness doesn’t appear to affect the brain. People with this form usually recover within a week.
What type of doctor treats post polio syndrome?
Neurologists are physicians who diagnose and treat disorders of the nervous system. They address diseases of the spinal cord, nerves, and muscles that affect the operation of the nervous system.
What is Post polio?
Post-polio syndrome (PPS) is a condition that can affect polio survivors decades after they recover from their initial poliovirus infection. Unlike poliovirus, PPS is not contagious.
Which gait pattern is used in polio?
There are several gait patterns in polio patients. The classic ones that are reported are shoulder swing limp pattern, Duchenne’s gait pattern, locked knee, walking with the hand on the thigh to lock the knee, isolated knee recurvatum, 4-step and pendulum gait patterns…
What does Poli O mean in medical terms?
, poli- [Gr. polios, gray] Prefixes meaning gray.