News & Opinion
Top 10 Innovations
Cell & Molecular Biology
Disease & Medicine
Ecology & Environment
Genetics & Genomics
Pharma & Biotech
Image of the Day
Jim Daley | May 31, 2018
By combining experimental data with computer models, researchers were able to predict a pathogen’s evolution toward more virulence.
Aggie Mika | Sep 30, 2017
Meet some of the people featured in the October 2017 issue of
Infographic: Evolving Virulence
Andrew F. Read and Peter J. Kerr | Sep 30, 2017
Tracking the myxoma virus in the wild rabbit populations of Australia has yielded insight into how pathogens and their hosts evolve.
Jef Akst | Sep 15, 2015
Researchers characterize a protein that could be key to the virus’s virulence—and to developing a vaccine against the mosquito-borne disease.
Antibiotic Resistance Can Boost Bacterial Fitness
Anna Azvolinsky | Jul 22, 2015
In some pathogenic bacteria, certain antibiotic resistance–associated mutations may also confer an unexpected growth advantage.
Ebola Virus Virulence
Jef Akst | Jun 9, 2015
The strain of Ebola that has circulated in West Africa for the last year takes longer to kill macaques than the virus that caused an outbreak in Central Africa in 1976.
Facing Down Emerging Viruses
Michal Barski | Jan 31, 2015
A better knowledge of the pathogenesis of emerging zoonotic diseases is crucial if we want to prepare for “the next Ebola.”
Decoding Bacterial Methylomes
Kate Yandell | May 15, 2013
A new technique could soon spur unprecedented insight into the role of bacterial epigenetics in the evolution of pathogen virulence.
When Vaccines Turn Vicious
Ruth Williams | Jul 12, 2012
Weakened viruses used in vaccines can swap genes and produce disease-causing strains.
Ruth Williams | Jul 5, 2012
Field studies reveal non-virulent bacteria take advantage of their virulent counterparts to get a free pass into their host.