What gender is most likely to get polio?

What gender is most likely to get polio?

Are there any gender differences in terms of children’s vulnerability to contracting polio? Sex is a risk factor for polio, with a slight predominance found in males, who are more at risk for developing paralytic polio. Adult females are also at risk if they are pregnant.

Where is poliomyelitis most common?

Polio remains endemic in two countries Afghanistan and Pakistan. Until poliovirus transmission is interrupted in these countries, all countries remain at risk of importation of polio, especially vulnerable countries with weak public health and immunization services and travel or trade links to endemic countries.

Why do some people get polio?

Polio is spread when the stool of an infected person is introduced into the mouth of another person through contaminated water or food (fecal-oral transmission). Oral-oral transmission by way of an infected person’s saliva may account for some cases.

What type of vaccine was given for polio?

Polio can be prevented with vaccine. Inactivated polio vaccine (IPV) is the only polio vaccine that has been given in the United States since 2000. It is given by shot in the arm or leg, depending on the person’s age. Oral polio vaccine (OPV) is used in other countries.

What type of virus is poliovirus?

Poliovirus, a nonenveloped, positive-sense, single-stranded RNA virus, is a member of the Enterovirus genus within the family Picornaviridae.

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.

Which is the biggest virus?

Comparison of largest known giant viruses

Giant virus name	Genome Length	Capsid diameter (nm)
Megavirus chilensis	1,259,197	440
Mamavirus	1,191,693	500
Mimivirus	1,181,549	500
M4 (Mimivirus “bald” variant)	981,813	390