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The Pan American Health Organization (PAHO) on Wednesday said Brazil, the Dominican Republic, Haiti and Peru are at very high risk for the reintroduction of polio, as dwindling vaccination rates ...
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.
A child receives oral polio vaccine during a 2002 campaign to immunize children in India. Poliovirus. Polio eradication, the goal of permanent global cessation of circulation of the poliovirus and hence elimination of the poliomyelitis (polio) it causes, is the aim of a multinational public health effort begun in 1988, led by the World Health Organization (WHO), the United Nations Children's ...
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.
With a single case of paralytic polio detected in Rockland County, New York, and the virus showing up in wastewater samples in two counties in the state, as well as New York City, health officials ...
Vaccines can't do their job if people don't take them, and the young man from New York who was recently paralyzed by polio was not vaccinated. Polio is back, PA survivors recall its terrible toll ...
Numerous observational studies and randomised trials (RCTs) have found that the impact on mortality of live and inactivated vaccines differ markedly. All live vaccines studied so far (BCG, measles vaccine, oral polio vaccine (OPV) and smallpox vaccine) have been shown to reduce mortality more than can be explained by prevention of the targeted infection(s).
The same strain that later infected the Palestinian baby, from the type 2 vaccine-derived polio virus that has also been detected in wastewater in some developed countries in recent years, was ...