Chickenpox Temporarily Boosts Immunity to Shingles (image) eLife Share Print E-Mail Caption Re-exposure to chickenpox as adult, having experienced it as a child, boosts immunity to shingles for only two years. This contrasts to the 20 years previously thought. Credit eLife Sciences Usage Restrictions With credit to eLife and link to paper http://dx.doi.org/10.7554/eLife.07116 Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.