Published 20 June 2007
Pfizer tested the then unregistered drug in Nigeria’s north-western Kano State during an outbreak of meningitis which had affected thousands of children.
Officials in Kano say more than 50 children died in the experiment, while many others developed mental and physical deformities.
…After more than a decade of silence, the Nigerian government has decided to sue Pfizer, seeking $7bn (£3.5bn) in damages for the families of children who allegedly died or suffered side-effects in the experiment.