A man wearing a mask at a camel market in the village of al-Thamama, near Riyadh. Saudi Arabia said people handling camels should wear masks and gloves to prevent spreading Middle East Respiratory Syndrome (MERS), issuing such a warning for the first time as cases in the kingdom of the potentially fatal virus neared 500. Photograph: Reuters

US health officials confirmed the country’s second case of MERS, a deadly virus first discovered in the Middle East, and said the patient was in good (...)

A vendor puts chickens into a plastic bag at a poultry market in Hefei, Anhui province, today. Chinese authorities reported four new cases  of a strain of bird flu previously unknown in humans that has already killed two people. Photograph: Reuters

China has identified two new cases of a new strain of bird flu, and one of the victims has died, in the eastern city of Hangzhou, state media s(...)