Polio Vaccines

Polio Vaccines. There are currently two vaccines against polio, which are used worldwide to combat polio. Jonas Salk, the man who invented it, he started working on a vaccine in 1955. The vaccine was completed in two stages: first, a dose of polio virus is injected slain, and the vaccination against polio to ensure, with a live virus, but further weakened. This vaccine has been tested in humans in 1957 and was subsequently approved in 1962.
Polio Vaccines. Then came another vaccine that was developed as Sabin. This live-virus vaccine was faster route between the two people for four main reasons:

With his first live was the ability to spread and infect other people who were not vaccinated. That sounds bad, but in the distribution, allowing the body to remove any immunity against the virus.
The second reason is that the oral vaccine in the intestines has been magic, it works on immunity exists in the central system, which in turn reduces the spread of the virus abroad. When the polio vaccine is injected directly into the blood, vaccination individual, but does not impair the ability to transmit the virus.
All third of the money in those days, especially when it comes to health care. Vaccine 'Live' Sabin was cheaper than the "dead" Salk vaccine.

Polio Vaccines. The final reason for the growing popularity of the Sabin oral vaccine is that it is much easier to administer to the general public that the vaccine against influenza. This means that patients rather than the number of vaccinations needed to achieve full immunity to be completed.
Sabin vaccine is the standard treatment for polio in the circuit. The polio virus was deceased in a position to make a deal, but it was the live virus vaccine, which was fully able to control the spread of polio in the United States to eliminate. Polio Vaccines.

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