Some 84 percent of deadly measles cases in a recent major outbreak at a migrant center in Chicago are linked to Venezuelan immigrants, a new CDC report shows.
New information reveals that the spate of 57 cases at the Pilsen migrant shelter can be traced back to a one year-old boy who had only received one of the two vital vaccines.
The majority of the cases 72 percent were among unvaccinated people, the CDC said.
The report cites overcrowding at the center for the rampant spread, with 500 people said to be crammed into a single room.