12 to 18 people came into direct contact with an Ebola patient.
Researchers monitoring these patterns estimate as many as 35,000 walruses came to shore near the coastal village of Point Lay, about 700 miles (1130 km) north of Anchorage at the weekend.
The Centers for Disease Control and Prevention confirms a patient at a hospital in Dallas, Texas, was diagnosed with the Ebola virus.
The death toll has risen to at least 3,091 out of 6,574 probable, suspected and confirmed cases.
In the study of 50 non-small cell lung cancer patients with a rearrangement of the ROS1 gene, Xalkori treatment led to significant tumor shrinkage in 36 of them, or 72 percent, and halted tumor growth in an additional 9 patients.
The second contingent of 296 doctors and nurses will head to Liberia and Guinea, the official news agency Prensa Latina said on Friday.
Part of a broad tax reform, Chile's carbon tax will target the power sector, particularly generators operating thermal plants with installed capacity equal or larger than 50 megawatts (MW).
Priest Manuel Garcia Viejo, 69, passed away after having caught virus while working in Sierra Leone.
Malaria, diarrhoea, pneumonia threaten many more lives as fear of Ebola means sick people are avoiding clinics and death toll among health workers has left few staff
Health officials issue alerts as the number of suspected cases of the chikingunya virus approach 1 million.
Rabies remains a threat to half the world's people and about 40 percent of victims are children, the experts said.
U.S. President Barack Obama called on more nations to help fight the world's worst outbreak of the deadly Ebola virus, saying hundreds of thousands of lives were at stake.
The Rwandan Health Ministry has yet to comment.
India's Supreme Court ruled that 214 coal mining licenses granted between 1993 and 2010 were "illegally and arbitrarily" allocated.
WHO advisers earlier recommended the screening of travellers departing Ebola-affected countries from airports and ports.
Several islands had been abandoned in Kiribati partly because low-lying farmland was becoming less productive as storm surges whipped more salt onto the land
The event, which comes ahead of a UN summit, will call on leaders to do more to meet the threat of climate change
"South Sudan is one of those countries relatively hard hit by the impact of the disease within sub-Sahara Africa today," SSAC Deputy Chairperson Achol Ayom Dor said.
The WHO said it could not completely rule out sabotage, so the measles inoculation campaign remained suspended after 15 children died after being vaccinated against measles in northern Syria
Though anti-whaling nations say the IWC should be acting to conserve whales, Japan and its allies argue that it was set up to manage whales as a resource.
Saudi Arabia is putting preventive health measures to reduce the spread of Middle East Respiratory Syndrome as the Kingdom gets ready to welcome 2 million pilgrims next month.