**10. Symptoms and effects of lead poisoning in Zamfara state**

Prior to the Zamfara lead poisoning outbreak in 2010, there was no official report of children being exposed to lead dust from the gold mining activities already prevailing in the area [7]. The presence of fewer ducks populations was noticed by the local residents in the area during the first quarter of the year 2010, but no one thought it was important at the time. Public health officials later received reports that children
