In the 1950s and 1960s, people did receive polio vaccines contaminated with a virus that causes cancer in rodents. The virus is found in human waste and is spread through infected objects coming in contact with your mouth. Poliomyelitis Symptoms & Causes. Poliomyelitis, or simply Polio, is a highly contagious infectious disease caused by three types of poliovirus. The poliovirus is a virus that destroys nervous system causing paralysis. It’s based on an editorial in the Indian Journal of Medical Ethics. Post-polio syndrome is an illness defined by a collection of symptoms that generally occur at least 10-20 years after infection with the polio virus. Rotary has been working to eradicate polio for more than 30 years. A more serious form, paralytic polio, also causes severe muscle pain. The virus spreads from person to person, typically through contaminated water. Milder forms usually last a few days, causing fever, nausea, headache, sore throat, stomach ache, and sometimes pain or stiffness in the neck, back, and legs. The virus enters the body through the mouth or respiratory system and multiplies in … Polio is a highly infectious disease that spreads in contaminated water or food and usually strikes children under 5. The virus can spread quickly in a single household and even faster in areas where the living conditions and fresh water are compromised. Polio is caused by the poliovirus. About half of people with paralytic polio are permanently paralyzed within a week of the start of symptoms. About one in 200 infections results in paralysis. Polio, or poliomyelitis, is a paralyzing and potentially deadly infectious disease that most commonly affects children under the age of 5. Though Sabin's vaccine had the advantages of being administered orally and of fostering wider `contact immunity', it could also be re-activated by passage through the gut, resulting in occasional cases of polio (still causing paralysis in six to eight children every year in the 1980s and 1990s, when a modified Salk vaccine was re-introduced). But research suggests this virus doesn’t cause cancer in … It is transmitted through contact with an infected person primarily through the fecal-oral route. The oral polio vaccine used throughout most of the developing world contains a form of the virus that has been weakened in the laboratory. Polio is caused by poliovirus, a highly contagious virus. Small polio epidemics actually began in the early 1900s, but it wasn’t until the late 1940s and early 1950s that the disease reached epidemic proportions. The hallmark of post-polio syndrome is new muscular weakness. But it's still a live virus. Polio, once among the most dreaded diseases even in the richest countries, has seemed on the verge of eradication for years now—but only on the verge. In a small handful of nations, the virus is holding on stubbornly despite a major vaccination effort backed by the United Nations and philanthropists such as the Bill and Melinda Gates Foundation. Types of poliomyelitis. Polio (full name: poliomyelitis) is an infectious disease caused by the poliovirus. It can then attack the nervous system. But the eRumor’s central claim — that Bill and Melinda Gates’ polio efforts caused “47,500 cases of paralysis death” — is false. What is poliomyelitis?