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Two of the most prominent were smallpox and polio—both largely conquered in the U.S. with vaccines. Before the smallpox vaccine, many people bore deep scars on their faces and bodies (if they ...
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.
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).
According to the U.S. Centers for Disease Control and Prevention, while "any vaccine can cause side effects", [11] most side effects are minor, primarily including sore arms or a mild fever. [11] Unlike most medical interventions vaccines are given to healthy people, where the risk of side effects is not as easily outweighed by the benefit of ...
The recent New York patient was infected with vaccine-derived polio, a strain linked to live virus from an oral polio vaccine not administered in the U.S. It marks the first U.S. of vaccine ...
Polio has been a common childhood vaccine since the 1950s, but do adults need a polio booster? What about if you’re planning to travel? Infectious disease experts break it down.
Vaccinations given to children, adolescents, or adults are generally safe. [50] [51] Adverse effects, if any, are generally mild. [52] The rate of side effects depends on the vaccine in question. [52] Some common side effects include fever, pain around the injection site, and muscle aches. [52]
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 ...