World Health Organization declares Liberia Ebola-free

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Members of the Women In Peacebuilding Network ( WIPNET)are sit on May 8, 2015 in Monrovia. If there are no new infections in the next 48 hours, the World Health Organization (WHO) will declare Liberia "Ebola-free" on May 9, 2015, 42 days -- or twice the incubation period of the virus -- after the last case.  AFP PHOTO / ZOOM DOSSO        (ZOOM DOSSO/AFP/Getty Images)

Members of the Women In Peacebuilding Network ( WIPNET)are sit on May 8, 2015 in Monrovia. If there are no new infections in the next 48 hours, the World Health Organization (WHO) will declare Liberia “Ebola-free” on May 9, 2015, 42 days — or twice the incubation period of the virus — after the last case. AFP PHOTO / ZOOM DOSSO (ZOOM DOSSO/AFP/Getty Images)

LIBERIA (PIX11) — The World Health Organization says Liberia is free of Ebola virus transmission.

In a statement released Saturday, WHO declared 42 days have passed since the last laboratory-confirmed case and the outbreak of Ebola in Liberia is over. That’s twice the maximum incubation period for the virus.

“Interruption of transmission is a monumental achievement for a country that reported the highest number of deaths in the largest, longest, and most complex outbreak since Ebola first emerged in 1976,” the statement read. “At the peak of transmission, which occurred during August and September 2014, the country was reporting from 300 to 400 new cases every week.”

WHO reports that at the peak of the Ebola outbreak, all 15 counties in Liberia had reported cases.

The last case in Liberia was a woman who developed symptoms in March and died a week later. Of the 332 people who may have been exposed to the woman, no one developed symptoms.

In April, five Ebola laboratories around the country tested 300 samples each week, receiving only negative test results.

More than 4,700 people are said to have passed away from Ebola in Liberia.