Mexican authorities have seized alleged counterfeit Keytruda as part of an operation targeting a fake medicine network. This action follows April reports from various media outlets documenting that falsified cancer drug vials were supplied to public hospitals.

En abril pasado, reporteros de Quinto Elemento Lab, El País, El Sol de México y Univision documentaron que frascos falsificados del medicamento contra el cáncer fueron suministrados a hospitales públicos