Wednesday, March 29, 2017

Sickle cell cluster in India

Sickle cell disease is mainly diagnosed in those with African ancestry, from Malaria infested areas (we didn't see many cases in the highlands of Zimbabwe, for example, but we did diagnose cases in the kids of Miners, who came from Mozmbique etc).

Once in awhile, in the US, you might pick up a case in "white" people, especially from Mediterranean areas (although Thalessemia is much more common).

The reason is that both these disease give some protection from Malaria

But AlJ reports that some of the indigenous tribes of India also have a high rate of the disease


In India, the disease was first detected in 1952 among indigenous tribes in the Nilgiri Hills of south India. That same year, some migrant labourers working in the tea gardens of Assam state were also diagnosed with the hereditary disease. Of Chhattisgarh's 7.5 million strong indigenous tribal population, at least 20 percent, particularly among the Gond tribe, are affected by sickle cell disease, according to Dr Patra.

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