Years or decades later, flu exposure still prompts immunity

New forms of influenza viruses can spur production of antibodies to past pandemics in people who lived through them

By Tina Hesman Saey, 15:58 PM August 16, 2013

Exposure to new flu strains can stimulate production of antibodies against older versions of the virus, researchers have found. The work suggests how to make longer-lasting vaccines with broader flu-fighting capabilities.

Scientists had suspected that the immune system could draw on its prior experience to craft potent protection against future viruses. But there was no evidence before the new work, says Patrick Wilson, an immunologist at the University of Chicago.

Peter Palese of the Icah...

Source URL: