Under the new measures announced Sunday, nonessential Congolese travelers will be returned through the nearest border crossing at their own expense, while those entering illegally face prosecution, the Ugandan ministry said.

Kenya announced its first ever Ebola case on Oct. 6 after a 40-year-old Kenyan man who was living in Congo travelled to Kenya via Uganda, arriving on Oct. 3. He was driven by a relative to Nairobi Hospital, where he tested positive for Ebola on Oct. 5 and died the same day.

The World Health Organization warned Thursday that Africa faced a "complex" Ebola outbreak after the virus crossed from east Africa to Nigeria.

A recurring problem in the spread in Africa is what appears to be lax surveillance efforts as most of the first cases were confirmed long after people started showing symptoms or after traveling.

Kenya's first case exposed gaps in screening measures at border points. The country has since strengthened screening and established an emergency hotline for anyone who suspects they may have been in contact with an Ebola patient or develops symptoms.

Kenya's Health Ministry confirmed the country's second Ebola case Wednesday, saying a relative of the man who died two days after arriving from Congo had tested positive while in quarantine.

Pneumonic plague is a severe infection that occurs when the bacterium Yersinia pestis infects the lungs. Without treatment, it's nearly always fatal.

Tedros said WHO was aware that the Russian government had held a meeting on October 2 after suspecting that a resident of the Irkutsk oblast had contracted a dangerous infection.

When a woman died of suspected plague in Siberia last week, rumours have filled the information abyss.

When asked whether a bioweapon caused the death, Trump told reporters, "Well, we don't think so. We're going to find out soon enough, but we don't think so."

Kenya's Health Ministry has heightened surveillance at border entry points and created an Ebola hotline for citizens to report symptoms related to Ebola.

A laboratory worker at a plague research institute in Siberia fell ill and died in undisclosed circumstances, prompting authorities to quarantine dozens of people.

Russian authorities said they found no evidence that her illness was caused by any of the pathogens she worked with.

Russia's federal public health watchdog, Rospotrebnadzor, stated that Shipilova had been diagnosed with "pneumonia of unknown etiology" - meaning that the cause had not been established.

A suspected pneumonic plague case in Siberia has triggered quarantine and mask measures after a laboratory worker died. Here is what to know about the disease, how it spreads, symptoms, treatment and the actual risk of transmission.

The incident occurred at the Anti-Plague Research Institute in Shelekhov and the 28-year-old technician likely contracted pneumonic plague from a broken test tube.

Five baby orangutans rescued in Odisha prompt investigation and repatriation talks with Indonesia.

Following the rescue, the Indonesian government said it was closely monitoring the case and coordinating with Indian authorities to establish the animals' origins and facilitate their return.

Their unexpected presence attracted attention because orangutans are not native to India and have never been naturally found in the country.

Health authorities have confirmed that there are no cases of Ebola have been detected among passengers on a river boat that was placed in quarantine near Kinshasa.

Congolese health authorities held nearly 200 boat passengers in quarantine near Kinshasa on Thursday after one traveler who was previously aboard the boat died with symptoms matching the Ebola virus.

The Andes species behind the Hondius outbreak is the only strain ofhantavirusknown to be able to jump from human to human. WHO on Thursday declared an end to the deadly hantavirus outbreak.

The deadly hantavirus outbreak on a cruise ship, which sparked international alarm, should be formally declared over on July 2, according to the WHO.

The last eight American passengers who endured 42 days in a specialized hospital quarantine unit after exposure to an unusual hantavirus outbreak on a cruise ship that killed three people have left the Nebraska facility.