Why do some influenza virus subtypes die out?

Every so often we hear about a new strain of influenza virus which has appeared and in some cases may sweep across the globe in a pandemic, much as the H1N1 virus did last year. What happens to the old seasonal viruses? In ...

Unusual microbes could hitch a ride with travellers

A rare and unusual new species of yeast has been identified at three separate locations across the world, reported in the International Journal of Systematic and Evolutionary Microbiology. The findings suggest a link between ...

Sensitive test helps improve vaccine safety

Salmonella Typhi (S. Typhi) is the causative agent of typhoid fever, a serious health threat resulting in some 22 million new cases yearly and approximately 217,000 fatalities. A number of novel vaccine candidates using live ...

Cell factory that can produce high-purity DHA

Docosahexaenoic acid (DHA, C22:6) is an important nutrient for the brain and visual development of newborns. It is also widely applied in pharmaceutical and food industries.