When the allegations first surfaced, Pfizer had said that the number of deaths in the trial was lower than the overall fatality rate for the meningitis epidemic.

BBC: Nigerians sue Pfizer over test deaths

Pfizer says the children died from the disease, not from the drug trial, won't confirm a possible settlement, and says it's "proud" of its role during the 1996 epidemic, an ugly trifecta of meningitis, cholera and measles.

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