Each year, there are approximately 700,000 varicella cases (more than 90% are under 10 years old), approximately 3,000 hospitalizations (25% are over 10 years old) and 20 deaths (70% are over 10 years...

Leonard Hayflick was described to me by Professor S. Jay Olshansky of the University of Illinois at Chicago School of Public Health, in an email as a “living legend in the infectious disease world”....

If the anti-vaccination movement gains any additional traction, developed and developing nations will have taken a dangerous step backward in protecting public health, especially of children- Leonard...

By

San Diego health officials are reporting a second chickenpox cluster in as many weeks in a second school. Last week, officials said six students at San Diego Cooperative Charter School’s Linda Vista...