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Polio vaccine - Wikipedia Polio vaccine Polio vaccines are vaccines used to prevent poliomyelitis (polio). [2] Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV). [2] The World Health Organization (WHO) recommends all children be fully vaccinated against polio. [2]
Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results.
The World Health Organization (WHO) recommends an interval of 3 to 4 weeks between doses. [35] Effectiveness A vaccine is generally considered effective if the estimate is ≥50% with a >30% lower limit of the 95% confidence interval. [36] Effectiveness is generally expected to slowly decrease over time. [37]
e. The Oxford–AstraZeneca COVID‑19 vaccine , sold under the brand names Covishield [28] and Vaxzevria [1] [29] among others, is a viral vector vaccine for prevention of COVID-19. Developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca, [30] [31] [32] using as a vector the modified chimpanzee adenovirus ...
Ring vaccination is a strategy to inhibit the spread of a disease by vaccinating those who are most likely to be infected. [1] This strategy vaccinates the contacts of confirmed patients, and people who are in close contact with those contacts.
Primary care is the day-to-day healthcare given by a health care provider. Typically this provider acts as the first contact and principal point of continuing care for patients within a healthcare system, and coordinates other specialist care that the patient may need.
An International Certificate of Vaccination or Revaccination Against Yellow Fever, issued in the Soviet Union in 1985. The International Certificate of Inoculation and Vaccination was established by the International Sanitary Convention for Aerial Navigation (1933) in The Hague, which came into force on 1 August 1935 and was amended in 1944. [3]
The Canadian Chiropractic Association supports vaccination; [1] a survey in Alberta in 2002 found that 25% of chiropractors advised patients for, and 27% against, vaccinating themselves or their children. [16] Chiropractors have lobbied against pro-vaccination measures such as the removal of personal belief exemptions to vaccine mandates. [17]