sentences:  The Court of Appeals referred to the Nigerian litigation as "Zango v. Pfizer" ("Zango litigation").The "Zango litigation" had recently been dismissed in Nigeria.The court declined to take judicial notice of the "Zango litigation", instead opting to vacate the district court's dismissal on grounds of "forum non conveniens" and remanding the case to the district court to consider the implications of the "Zango litigation" on its "forum non conveniens" analysis.