Threat: a health technician with Aedes aegyti mosquito larvae  which transmit the virus. Photograph: Juan Carlos Ulate/Reuters

China has confirmed its first case of the Zika virus in a man who had recently travelled to South America. A statement issued by the Hong Kong Depa(...)

An Aedes aegypti mosquito is photographed in a laboratory at the University of El Salvador, in San Salvador. For the  first time the virus has been detected in the saliva and urine of two patients. Photograph: Marvin Recinos/AFP/Getty Images

Zika has been identified in the saliva and urine of two patients infected by the virus, a leading Brazilian health institute has said. It is the firs(...)

There is so much hype about diet and exercise that sensible adults want to go to bed and pull the duvet over their heads. Photograph: Thinkstock

January could be a lovely month with a stretch in the evenings and days an hour longer than at the winter solstice. However, there is so much hype abo(...)

Syrians wait for an aid convoy in Madaya: two convoys of supplies were delivered to the town this week. Photograph: AP

The UN Children’s Fund Unicef on Friday confirmed cases of severe malnutrition among children in the besieged western Syrian town of Madaya, where loc(...)

Syrians wait for an aid convoy on Monday  in the besieged town of Madaya as part of a  six-month deal  in September for an end to hostilities  in exchange for humanitarian help. Photograph: Marwan Ibrahim/AFP/Getty Images

Madaya was quiet on Tuesday. Its streets were empty of people or animals, just as they had been for many months. But for the first time since a brutal(...)

Medical workers present Noubia (centre), the last known patient to contract Ebola in Guinea, during her release from a Doctors Without Borders treatment center in Conakry on November 28th, 2015. The 34-day-old baby, officially declared treated on November 16th, was presented by personal from the treatment center, with applause, during an emotional ceremony, in the presence of her family. Photograph: Getty

Guinea was declared free of Ebola on Tuesday after more than 2,500 people died from the virus in the West African nation, leaving Liberia as the only (...)

 Pro-Houthi tribesmen at  a gathering in Sana’a, Yemen, on Tuesday to protest at Saudi-led military operations in the country. Photograph: EPA/Yahya Arhab

A ceasefire went into effect in Yemen yesterday as United Nations-sponsored peace talks opened in Switzerland in a new push to end months of fighting (...)

Irish people’s relationship with red meat has always been problematic, leading not only to cancer but to cardiovascular diseases. Photograph: Thinkstock

I was in Belfast when the report on red and processed meats from the International Agency for Research on Cancer (IARC) was published. Did it stop me (...)

Sierra Leone’s health officials check passengers transiting at the border crossing with Liberia in Jendema. Photograph: Zoom Dosso/AFP/Getty Images

Residents of Sierra Leone’s capital held a candlelit vigil and celebrations to mark the end of an Ebola epidemic that has killed almost 4,000 peopl(...)

The European Commission is likely to face pressure from the food industry to downplay the findings amid fears of its impact on food consumption. Photograph: Getty Images

The European Commission said it will “carefully analyse” the World Health Organisation report that processed meats can increase the risk of cancer. S(...)