Ebola

A health worker prepares a vaccination on March 10, 2015 at a health center in Conakry during the first clinical trials of the VSV-EBOV vaccine against the Ebola virus. The World Health Organization (WHO) said on March 5 that clinical trials launched on March 7 in Guinea marked the last step before the vaccine is available on the market. AFP PHOTO / CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

A woman gets vaccinated on March 10, 2015 at a health center in Conakry during the first clinical trials of the VSV-EBOV vaccine against the Ebola virus. The World Health Organization (WHO) said on March 5 that clinical trials launched on March 7 in Guinea marked the last step before the vaccine is available on the market. AFP PHOTO / CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

A man walks past an ebola campaign banner with the new slogan "Ebola Must GO" in Monrovia on February 23, 2015. The country of four million is slowly emerging from the epidemic, with infections at a fraction of the peak, borders reopening, children back at school and now the night-time lockdown lifted. Liberia, once the country worst hit by Ebola, has registered 4,037 of around 9,600 deaths in the epidemic, which began in Guinea in December 2013. AFP PHOTO / ZOOM DOSSO (Photo credit should read ZOOM DOSSO/AFP/Getty Images)

A student in personal protective Equipment (PPE), takes part in a training session held by the military trained Civil Security (Securite civile), on how to disinfect patients suffering from the Ebola virus, during a simulation drill on February 12, 2015 in Nogent-le-Rotrou, western France. AFP PHOTO/JEAN-FRANCOIS MONIER (Photo credit should read JEAN-FRANCOIS MONIER/AFP/Getty Images)

DISCO HILL, LIBERIA - JANUARY 27: A burial team member wearing personal protective equipment (PPE), stands for decontamination spray at the U.S.-built cemetery for "safe burials" on January 27, 2015 in Disco Hill, Liberia. The cemetery, operated by USAID-funded Global Communities, has buried almost 300 people in its first month of operation, with increasingly fewer of the bodies coming from Ebola Treatment Units (ETUs), as infection rates decline. The cemetery, where burial team members wear protective clothing, has been seen in Monrovia as a major achievement, as families of deceased loved ones are permitted to view the burials, important in Liberian culture. In an effort to control the Ebola epidemic in 2014, the Liberian government had ordered the cremation of all deceased in the capital, often further traumatizing surviving family members and unintentionally encouraging many families to hide their dead for secret burials. (Photo by John Moore/Getty Images)

A health worker checks the body temperature of Cameroon's defender Nicolas Nkoulou as part of a control check for Ebola upon the team's arrival at the airport in Malabo on January 17, 2015 as Equatorial Guinea hosts the 2015 African Cup of Nations football tournament. AFP PHOTO / ISSOUF SANOGO (Photo credit should read ISSOUF SANOGO/AFP/Getty Images)

<> on February 2, 2015 in Monrovia, Liberia.

A picture taken on December 17, 2014 shows a board bearing the "11 against Ebola" campaign of World football governing body FIfa, a joint venture with the Confederation of African Football (CAF) and health experts to raise awareness and promote simple preventative measures in the fight against the Ebola virus.AFP PHOTO ZOOM DOSSO (Photo credit should read ZOOM DOSSO/AFP/Getty Images)

A Guinea's health worker wearing protective suit poses at an Ebola Donka treatment centre in Conakry on December 8, 2014. The European Union said it had given an extra 61 million euros in aid to help fight the Ebola crisis raging in west Africa. The Ebola outbreak ravaging Guinea, Liberia and Sierra Leone has claimed more than 6,300 lives, with health authorities in Conakry having registered more than 1,400 deaths. AFP PHOTO/CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

La trasmissione avviene per contatto interumano diretto con organi, sangue e altri fluidi biologici (es saliva, urina, vomito) di soggetti infetti (vivi o morti) e indiretto con ambienti contaminati.

An health worker from Guinea's Red Cross wearing a Personal Protective Equipments (PPE) leaves the house of a victim of the Ebola virus in Patrice disitrict in Macenta, in Guinea on November 21, 2014. The deadliest Ebola epidemic on record has killed more than 5,000 people in west Africa and infected almost three times that number, according to the World Health Organization. The virus emerged in Guinea at the start of the year and has infected around 1,900 Guineans, killing almost 1,200. AFP PHOTO KENZO TRIBOUILLARD (Photo credit should read KENZO TRIBOUILLARD/AFP/Getty Images)

German soldiers along side German Red Cross workers construct an Ebola treatment center on November 21, 2014, in the Liberian capital Monrovia. The German built center center which will hold some 100 beds will train local health staff. Twenty five German soldiers arrived in Liberia in October together with the German Red Cross to build the center and to train local Liberians who will work at the center with victims of the Ebola virus. AFP PHOTO / ZOOM DOSSO (Photo credit should read ZOOM DOSSO/AFP/Getty Images)

Health workers wearing protective gear gesture at the Nongo ebola treatment centre in Conakry, Guinea, on August 21, 2015. The World Health Organization WHO has lost track of 45 people under surveillance, who had been in contact with a patient who contracted Ebola, in Guinea, the organization informed on August 19, 2015. AFP PHOTO / CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

A health worker wearing protective gear is sprayed with disinfectant at the Nongo ebola treatment centre in Conakry, Guinea, on August 21, 2015. The World Health Organization WHO has lost track of 45 people under surveillance, who had been in contact with a patient who contracted Ebola, in Guinea, the organization informed on August 19, 2015. AFP PHOTO / CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

Health workers are seen with a young patient under quarantine at the Nongo ebola treatment centre in Conakry, Guinea on August 21, 2015. The World Health Organization WHO has lost track of 45 people under surveillance, who had been in contact with a patient who contracted Ebola, in Guinea, the organization informed on August 19, 2015. AFP PHOTO / CELLOU BINANI (Photo credit should read CELLOU BINANI/AFP/Getty Images)

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