News tagged with pathogenic viruses

Ancestor of HIV in primates may be surprisingly young

The ancestors of the simian immunodeficiency viruses (SIVs) that jumped from chimpanzees and monkeys, and ignited the HIV/AIDS pandemic in humans, have been dated to just a few centuries ago. These ages are substantially ...

May 01, 2009
4.3 / 5 (3) 0

Single mutation gives virus new target

In a new study published online in the journal PLOS Pathogens, an international team of scientists showed that by swapping a single amino acid they could change the sugar to which the human BK polyomavirus will b ...

Oct 21, 2013
5 / 5 (9) 0 | with audio podcast

First estimate of total viruses in mammals

Scientists estimate that there is a minimum of 320,000 viruses in mammals awaiting discovery. Collecting evidence of these viruses, or even a majority of them, they say, could provide information critical to early detection ...

Sep 03, 2013
4 / 5 (1) 0 | with audio podcast

New coronavirus related to viruses from bats

The virus that is causing alarm among global public health authorities after it killed a man in Jeddah, Saudi Arabia earlier this year and is now linked to two other cases of disease is a novel type of coronavirus most closely ...

Nov 20, 2012
5 / 5 (2) 0 | with audio podcast