An elderly woman collects cardboard boxes in Hong Kong, China. Hong Kong will have the highest share of population aged 65 years and over in Asia by 2050, outpacing Japan. (Photograph: Jerome Favre/Bloomberg)

Eighty-six years old and still job hunting. Wong Siu-ying had to stop passing out leaflets on a Hong Kong flyover when she hurt her knee in August. Wi(...)

Researchers hope eventually to enrol up to 30,000 people in the trial. Photograph: Reuters/Eddie Keogh

The first batch of an experimental Ebola vaccine made by GlaxoSmithKline(GSK) has been shipped to West Africa and is expected to arrive in Liberia lat(...)

File photo of a foreign healthcare volunteer - Mali has recorded a total of six deaths from Ebola. Photograph: Reuters/Baz Ratner 1:18

Mali’s health minister declared the West African nation free of Ebola on Sunday following a 42-day period without a new case of the deadly virus.Mali (...)

Cambodian officials prepare to inspect the perimeter of a nurse house in Roka in Battambang province, Cambodia, 17 December 2014. Photograph: EPA/Stringer

Cambodian health authorities have found 212 villagers infected with HIV and say the outbreak is likely due to contaminated medical equipment. The 212 (...)

MRSA  bacteria in a petri dish. The WHO has warned that a post-antibiotic era could arrive this century unless something drastic is done. Photograph: Fabrizio Bensch/Reuters.

Drug-resistant superbugs could kill an extra 10 million people a year and cost up to $100 trillion (€83tn) by 2050 if their rampant global spread is n(...)

A nurse holds a syringe containing an experimental Ebola virus vaccine.  West African countries suffering an unprecedented epidemic of Ebola are particularly at risk of seeing a resurgence of malaria, says the WHO. Photograph: Denis Balibouse/Reuters

Malaria deaths have dropped dramatically since 2000 and cases are falling steadily thanks to more people being diagnosed and treated and more getting (...)

An independent investigation into the deaths of at least 13 women at an unhygienic mass sterilisation camp in central India last month found the doctor used the same needle on each patient and staff never changed their gloves. Photograph: Anindito Mukherjee/Reuters

Fifteen Indians lost their sight after a doctor used suspected infected equipment to remove cataracts at a free eye surgery camp in the latest inciden(...)

 A woman suspected of being infected with Ebola lies in an open sewer along a main thoroughfare in Freetown, Sierra Leone. Photograph: Samuel Aranda/The New York Times

The United Nations Ebola emergency response mission will not fully meet its December 1st target for containing the virus due to escalating numbers (...)

United Nations Secretary-General Ban Ki-moon speaks to the media after the UN Chief Executive Board’s private session on the Ebola response in Washington. Photograph:Joshua Roberts/Reuters

International efforts to fight Ebola are helping to slow the rate of new infections in some areas but increased infections in others and fears of furt(...)

Health workers  take part in a pre-deployment training as first clinical trials announced for December. Photograph: Salvatore di Nolfi/EPA

Clinical trials of three potential Ebola treatments will begin in December in Guinea and Liberia at medical centres run by Medecins Sans Frontieres, t(...)