immune system
When the Flu Vax Fails
When the Flu Vax Fails
Jef Akst | Dec 16, 2015
The status of a person’s immune system can predict when a seasonal flu vaccination will not provide sufficient protection, according to a study. 
Long-Lived Immune Memories
Long-Lived Immune Memories
Anna Azvolinsky | Dec 9, 2015
Two types of memory T cells can preserve immunological memories for more than a decade, a study shows. 
An Evolutionary Basis for Allergies
An Evolutionary Basis for Allergies
Karen Zusi | Oct 29, 2015
Some proteins found in parasitic worms bear similarity to those from environmental allergens and cause a similar immune response in humans.
Neutrophils Lead, T Cells Follow
Neutrophils Lead, T Cells Follow
Anna Azvolinsky | Sep 3, 2015
When influenza invades the mouse respiratory tract, neutrophils guide the subsequent T-cell attack on infected tissue, scientists show.  
Platelets Fan Inflammation
Platelets Fan Inflammation
Kate Yandell | Dec 4, 2014
The circulating blood cells bind to neutrophils, prompting inflammation-related activity in these immune cell partners.
How Bacteria Evade the Immune System
How Bacteria Evade the Immune System
Laasya Samhita | Dec 12, 2013
Escherichia coli can quickly evolve to resist engulfment by macrophages, scientists have found.
Gene Therapy Coming of Age?
Gene Therapy Coming of Age?
Dan Cossins | Jul 11, 2013
Using lentiviral vectors to replace mutated genes in blood stem cells, scientists successfully treat two rare diseases apparently without causing harmful side effects.
Ladybird Bioterrorists
Ladybird Bioterrorists
Ruth Williams | May 16, 2013
The Asian harlequin ladybird carries a biological weapon to wipe out competing species.
Brain Is Command Center for Aging
Brain Is Command Center for Aging
Kate Yandell | May 1, 2013
Inflammation in the hypothalamus may induce degeneration in tissues throughout the body.
Sarkis Mazmanian: Microbe Machinist
Sarkis Mazmanian: Microbe Machinist
Jef Akst | Apr 1, 2013
Professor, Division of Biology, California Institute of Technology. Age: 40