The number of people aged 100 or older in rapidly greying Japan has hit a record high for the 44th straight year, the government said Friday.
Authorities said Saturday they were investigating a first potential case of Ebola in Bolivia.
Brazil's authorities on Tuesday reported the first domestically contracted cases of the mosquito-borne chikungunya virus, prompting the government to announce it was stepping up attempts to control the disease.
Health authorities here said Tuesday they had ruled out Ebola in a traveler from India who arrived ill at Bolivia's Santa Cruz international airport.
Japan is urging local authorities to be on the lookout for further outbreaks of dengue fever, after confirming another 19 cases that were contracted at a popular local park in downtown Tokyo.
Two Dutch doctors feared to have contracted the deadly Ebola virus while working in Sierra Leone are set to be flown back to the Netherlands "as soon as possible", the foreign ministry said Saturday.