2nd health care worker infected at Dallas hospital
- Over 4,000 people have died in West Africa from Ebola.
- WHO says there could be 10,000 new cases a week there.
- Thomas Duncan flew to the US from West Africa in Sept.
- He died from Ebola last week at a hospital in Dallas.
- 2 healthcare workers who cared for him are now infected.
- 2nd victim was on a flight days before symptoms presented.
- The CDC is reaching out to all 132 passengers on the flight.
- Frontier Airlines flight 1143 Cleveland to Dallas/Fort Worth.