Bruce Brod of the Perelman School of Medicine urges people not to fear contagion when others have a poison ivy rash.
http://www.philly.com/philly/health/20150726_A_slight_itching__then_the_rashes.html Philadelphia InquirerBruce Brod of the Perelman School of Medicine urges people not to fear contagion when others have a poison ivy rash.
http://www.philly.com/philly/health/20150726_A_slight_itching__then_the_rashes.html Philadelphia Inquirer