A flu virus that health officials have called "the mother of all pandemics" has resurfaced for the first time in nearly a century - in a lab. Now experts are questioning the wisdom of bringing something so deadly back into the world.
An international team of researchers has shown that avian influenza viruses currently circulating in nature contain all the genetic ingredients necessary to create a Spanish flu-like pandemic, and could potentially kill millions.
The Alabama Department of Public Health (ADPH) and the Houston County Health Department, in consultation with the Centers for Disease Control, are investigating a number of cases of respiratory illnesses of unknown origin in southeast Alabama.
Authorities in Shanghai on Thursday closed a live poultry trading zone in an agricultural products market and have began slaughtering all birds there in response to the recent H7N9 bird flu scare, according to Xinhua news.
The flu season this year got off to an early and virulent start and worsened, killing 105 this season, the Centers for Disease Control and Prevention (CDC) said, underlining the importance of vaccinating everyone older than 6 months.
In the fight against bird flu, or the H5N1 virus, scientists in Australia are creating genetically modified chickens to make them resistant to bird flu in bid to find a cure for the potentially deadly virus.