A statement published on Mrs Sirleaf's website on Monday said the US had approved a request from Liberia to ship the medicine after a direct appeal to US President Barack Obama on Friday.
But spokesperson for the US Health and Human Services (HHS) Department said US authorities had simply assisted in connecting the Liberian government with the drug's manufacturer, insisting that the drug company had worked directly with the Liberian government.
Meanwhile the deaths from Ebola has passed the 1,000 mark. Late yesterday, the World Health Organization said 1,013 people have now died from Ebola.
