A week after World Health Organisation (WHO) declared that its decade-long vaccination campaign in Africa was successful, its own oral vaccine itself has sparked a new Polio outbreak in the continent. The outbreak has been caused by mutation of strain in vaccine.
A new polio outbreak in Sudan has been linked to the oral polio vaccine that uses a weakened form of the virus.
News of the outbreak comes a week after the World Health Organization (WHO) announced that wild polio had been eradicated in Africa.
The WHO linked the cases to a strain of the virus that had been noted circulating in Chad last year and warned that the risk of spread to other parts of the Horn of Africa was high.
In a statement on the new cases, the WHO said two children in Sudan, one from South Darfur state and the other from Gadarif state, close to the border with Ethiopia and Eritrea, were paralysed in March and April. Both had been recently vaccinated against...
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I'm pretty sure the statistic is that every single polio case in the US since the late '50s was caused by the oral vaccine. At the time, the oral (Sabin) vaccine became the favorite over the injected (Salk) vaccine. The Salk vaccine was safer.
ReplyDeleteThe oral vaccine is much easier to give, no syringes or air guns. I got polio from the Sabin vaccine at 3, was paralyzed from the waist down for months.
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