MIAMI, FL - JUNE 02:  Daniela Chavarriaga holds her daughter, Emma Chavarriaga, as pediatrician Jose Rosa-Olivares, M.D. administers a measles vaccination during a visit to the Miami Children's Hospital on June 02, 2014 in Miami, Florida. The Centers for Disease Control and Prevention last week announced that in the United States they are seeing the most measles cases in 20 years as they warned clinicians, parents and others to watch for and get vaccinated against the potentially deadly virus.  (Photo by Joe Raedle/Getty Images)
Why measles is particularly dangerous for infants
As a measles outbreak hits a daycare near Chicago, Dr. Sanjay Gupta explains why the virus is particularly dangerous for the youngest among us.
03:11 - Source: CNN
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MIAMI, FL - JUNE 02:  Daniela Chavarriaga holds her daughter, Emma Chavarriaga, as pediatrician Jose Rosa-Olivares, M.D. administers a measles vaccination during a visit to the Miami Children's Hospital on June 02, 2014 in Miami, Florida. The Centers for Disease Control and Prevention last week announced that in the United States they are seeing the most measles cases in 20 years as they warned clinicians, parents and others to watch for and get vaccinated against the potentially deadly virus.  (Photo by Joe Raedle/Getty Images)
Why measles is particularly dangerous for infants
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