Search results
Results from the WOW.Com Content Network
Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
He had developed an attenuated poliovirus vaccine, which he tested in about 10,000 children across much of the United States and Canada. [11] Five of these children died of polio and 10 more were paralyzed, usually in the arm where the vaccine was injected, and frequently affecting children in towns where no polio outbreak had occurred. [11]
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Polio vaccination coverage, primarily conducted through routine immunization, was estimated at 99% in 2022 and fell to 89% in 2023. ... has contributed to lower vaccination rates. Israel blames ...
By the first half of the year they had 713 reported cases and a death rate of 6.6%, and the peak infection months of summer were still ahead. Canada sent a shipment of vaccines to Hungary by a refrigerated plane, and Britain and Sweden sent iron lungs. A few years later, during a polio outbreak in Canada, "masked bandits" stole 75,000 Salk ...
Furthermore, the attack rate on this group was 1.6%. Two-year-olds had the highest attack rate per 100,000 people at 1.84%. [4] Additionally, the death rate was very high, particularly for the younger age groups. At the height of the epidemic, which was from June 1 to November 1, the death rate from polio in the greater New York City area was ...
Many countries began polio immunization campaigns using Salk's vaccine, including Canada, Sweden, Denmark, Norway, West Germany, the Netherlands, Switzerland, and Belgium. By 1959, the Salk vaccine had reached about 90 countries. [5] An attenuated live oral polio vaccine was developed by Albert Sabin, coming into commercial use in 1961. Less ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. Administration of a vaccine to protect against disease This article is about administration of a vaccine. For the vaccines themselves, see vaccine. See also: Immunization Medical intervention Vaccinations Girl about to be vaccinated in her upper arm ICD-9-CM 99.3 - 99.5 [edit on Wikidata ...