The United States president Barack Obama and US Food and Drug Administration has approved the request of the Liberia to send samples of an experimental drug for the treatment of Liberian doctors infected with the Ebola virus, Liberia announced.

According to the statement, the experimental drugs are to be delivered to Liberia this week by a representative of the government of the United States. The move came after a request to the US from Liberian President Ellen Johnson Sirleaf, the government said.

Margaret Chan, head of the World Health Organization, has also approved the delivery of additional doses of the experimental drug in Liberia to support the treatment of infected doctors, according to the same statement. The doses of the experimental drug will be delivered by an expert of the World Health Organization this week.