Scientists are searching for clues to the resurgence of whooping cough, a nearly forgotten childhood infection causing outbreaks around the country. California last week announced a whooping cough epidemic.
Source: www.usatoday.com
June 21, 2014
Scientists are searching for clues to the resurgence of whooping cough, a nearly forgotten childhood infection causing outbreaks around the country. California last week announced a whooping cough epidemic.
Source: www.usatoday.com