Guinea raced to contain a spiralling Ebola epidemic spreading from its southern forests to the capital Conakry, as the death toll rose to 78 and neighbouring Senegal closed its border.
An Ebola epidemic which has already killed dozens of people in Guinea's southern forests has spread to the capital Conakry, the United Nations Children's Fund said on Sunday.
Saudi health authorities said Saturday a young man had died from the MERS coronavirus, bringing the death toll from the respiratory disease in the worst-hit country to 63.
A total of 72 people died from the H7N9 bird flu strain in China in the first two months of this year, government figures showed, far more than in the whole of 2013.
Indian leaders are set later Tuesday to celebrate the eradication of polio, marking one of the country's biggest public health success stories which was once thought impossible to achieve.
Chinese scientists sounded the alarm Wednesday after a new bird flu virus, H10N8, killed an elderly woman in December and infected another individual last month.
Vietnam has recorded its first death from bird flu in nine months, according to the country's Health Ministry, amid growing regional concerns over a potential resurgence of the deadly virus.
Microsoft on Thursday announced it worked with police in Europe and the United States to disrupt a "dangerous" army of virus-infected computers used to hijack searches at Google, Bing and Yahoo.
Researchers in Taiwan on Thursday called on watchdogs to keep up their guard after a flu virus that commonly circulates among chickens was found for the first time in a human being.
Researchers in Britain and Saudi Arabia said on Friday that gene profiling of the MERS virus had provided insights, but no answer, as to how the mysterious microbe spreads.
Researchers have discovered that bilking people by infecting Android mobile phones with viruses has become a cottage industry in Russia in a criminal model that could be replicated elsewhere.