Category: infectious disease
-
Bird origin for 1918 flu pandemic
Nature Model also links avian influenza strains to deadly horse flu. The virus that caused the 1918 influenza pandemic probably sprang from North American domestic and wild birds, not from the mixing of human and swine viruses. A study published today in Nature reconstructs the origins of influenza A virus and
-
A brief history of what made biomedical news this year
Nature Medicine Biomedical research in 2013 saw some dramatic developments, with unprecedented government action in the US ranging from the budget sequester in the spring to a dramatic government shutdown in autumn. But throughout the year, bright spots in science around the globe continued to dazzle, including multimillion-dollar partnerships to advance drug discovery and the…
-
Lyme bacteria show that evolvability is evolvable
Nature Natural selection favours those with a greater capacity to generate genetic variation. Some gamblers succeed by spiriting cards up their sleeves, giving them a wider range of hands to play. So do some bacteria, whose great capacity for genetic variability helps them evolve and adapt to rapidly changing environments. Now research on Borrelia burgdorferi, the…
-
As millions gather for Kumbh Mela, doctors are watching
When a cholera outbreak gripped a London neighbourhood in 1854, physician John Snow carefully mapped its deaths. The thin bars he traced under each address clustered around a water pump on Broad Street, which turned out to be the source of the bacteria. Snow’s studies of disease patterns won him recognition as the father of…
-
Few bats for Quebec’s belfries. White-nose syndrome killing North American bats.
Photograph by: Nancy Heaslip, New York Department of Environmental Conservation MONTREAL – In March, Frédérick Lelièvre found himself crawling through a narrow passage into the final chamber of the Laflèche Cave in Val des Monts. Raising his eyes to the hibernating bats on the rock above him, his heart dropped. The tiny lime-size animals were…