Is poliovirus harmful or beneficial?

Is poliovirus harmful or beneficial?

Polio is a preventable life-threatening disease. All adults and children need to be immunised to protect against polio. Polio symptoms vary from mild flu-like symptoms to paralysis and possibly death.

Is polio a harmless virus?

Diphtheria vaccine is produced via use of purified inactivated toxin obtained from Corynebacterium diphtheria. Polio is caused by a virus, commonly called polio virus. It is also highly infectious to humans. Harmless virus is used to produce such vaccines….

Why is polio so important?

Success in eradicating polio will mean that no child will have to experience the devastating effects of the disease again. Failure to eradicate polio could cause poliovirus to reappear around the world with up to 200,000 new cases expected every year within 10 years.

How does polio harm the body?

Polio is a viral disease which may affect the spinal cord causing muscle weakness and paralysis. The polio virus enters the body through the mouth, usually from hands contaminated with the stool of an infected person. Polio is more common in infants and young children and occurs under conditions of poor hygiene.

Which country found the vaccine for polio?

polio vaccine, preparation of poliovirus given to prevent polio, an infectious disease of the nervous system. The first polio vaccine to be widely used in humans, known as inactivated poliovirus vaccine (IPV) or Salk vaccine, was developed in the early 1950s by American physician Jonas Salk.

Where is polio found naturally?

In 2015, polio was believed to remain naturally spreading in only two countries, Pakistan and Afghanistan, although it continued to cause outbreaks in other nearby countries due to hidden or reestablished transmission.