polio It is again in discussion in countries where this disease was eradicated for some time.
health officials of London decides to vaccinate against polio to those below 10 years of age, After detection of traces of virus in waste water Up to 8 areas of the British capital. The campaign seeks to reduce the risk of infection in children by increasing or ensuring vaccination of those who were not, in order to hinder the spread of the virus.
Polio was eliminated in the UK and Europe in 2003, and the risk of infection is now “low”. But he is concerned that the remains found “may be at some point in the population”, as explained. a tve Raul Ortiz, virologist and professor of microbiology.
In July US identifies one case of polio In an illiterate man from Rockland County, New York. As confirmed by officials, the infection was transmitted by someone who received the oral polio vaccine, which has not been administered in the country since 2000. new York Times. The last case in the country was reported in 2013.
The disease was a major health problem in many countries for years. Here poliomyelitis went from over 2,000 cases a year in 1960 to 62 cases in 1965. reason, the vaccine, which was then designed to be administered orally, caused The end of disease in our country.
in present Polio vaccine included in hexavalent vaccine in Spain Given at 2, 4 and 11 months of age. It is also part of the vaccine that will be administered at 6 years of age from 2022, they explain from the Spanish Association of Pediatrics (APE).
APE recommends giving it to all children. Also get a booster dose while traveling Areas where cases of polio may still occur, “Currently cases are limited to countries where childhood vaccination is inadequate, such as Afghanistan and Pakistan. Nigeria was declared non-endemic in 2020.”
What is polio?
Poliomyelitis is a highly contagious disease caused by a virus Which invades the nervous system and can cause paralysis in a matter of hours, describes the World Health Organization (WHO).
Polio virus enters the body through the mouth, Usually when the hands become contaminated with the feces of an infected person. In its most severe form, it causes nerve and spinal cord injury leading to paralysis, difficulty breathing and, in some cases, death. Paralysis is more common and severe when infection occurs in older people.
Measles cases rise by about 80% and other infectious outbreaks may come later, UN warns
There is no cure for poliomyelitis, but it can be prevented, Thanks to the vaccine they exist against the virus. Globally, since the launch of the Global Polio Eradication Initiative, the number of cases has decreased by more than 99%.
Of Three types of wild polio virus, only type 1 exists. Type 2 poliovirus was certified as eradicated in 2015, while type 3 did so in 2019.
Symptoms and how it spreads
Although polio can cause paralysis and death, an infected person often does not even develop symptoms, notes the Mayo Clinic. usually have mild symptoms, similar to other viral diseases that can last up to 10 days. This includes:
- Throat pain
- back pain or stiffness
- neck pain or stiffness
- pain or stiffness in arms or legs
- muscle weakness or tenderness
loss Early symptoms of paralytic poliomyelitisThe most severe form of the disease also begins with fever and pain. However, within a week, other symptoms appear which may include:
- loss of reflexes
- severe muscle pain or weakness
- Loose and loose limbs (flaccid paralysis)
According to WHO data, approx. One in 200 infections cause irreversible paralysis (usually of the legs), and 5% to 10% of these cases die from paralysis of the respiratory muscles.
polio virus It can spread through direct contact with an infected person. Also a less common route, through contaminated water or food. According to the New York State Health Portal, even patients without symptoms can spread the disease, with the risk being highest between 7 and 10 days before and after the onset of symptoms.
Although the disease mainly affects children under 5 years of age, anyone can be at risk. especially if you haven’t received polio vaccine.