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superguppie wrote:

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Of course nobody made the connection that mass infecting everybody with a chicken pox vaccine was the cause

Nobody...except for you, the rogue scientist with MAD deductive skills! BTW, link please?

The dangers of only partially vaccinating a population against polio was underscored today in a report that blamed an outbreak of the deadly disease in the Caribbean on incomplete vaccination, which allowed the virus to mutate, escape and then infect 21 people, killing two children.

"The outbreak probably began in Haiti, when a routine oral poliovirus vaccine dose was given to a child living in a community with low vaccine coverage," the researchers, led by Olen Kew of the U.S. Centers for Disease Control and Prevention, wrote today in the journal Science.

One of those who died was a 12-year-old boy and another was a 35-month-old boy. "He didn't see his third birthday," Kew said. "If they had only used the vaccine appropriately, this would not have happened."

Two factors are to blame for the outbreak, the researchers say. One is the low vaccination rate in Haiti and the Dominican Republic, which share an island in the Caribbean.

In Haiti, political strife and poverty have interfered with vaccination efforts, Kew said.

The second factor was the use of an oral vaccine, which uses a live but weakened strain of the virus. The oral vaccine, developed by Albert Sabin, helped rid many countries of polio, including the United States, because it is easy to administer and highly effective. But the virus used is still alive, although it has been altered so it should not cause disease.

It stays alive in the body, and it turns out, can hook up with other, related viruses called enteroviruses. They swap DNA and the polio virus can become deadly and highly infectious again. It is shed in the feces and gets into the water supply.

http://www.vaccinationnew...tiLinkedIncompleteVax.htm