The CDC chief says the United States has 20 swine flu cases in 5 states with the latest in Ohio. No one has died as a result of swine flu in the United States.

The U.S. is declaring a public health emergency to deal with the emerging new swine flu.

The precautionary step doesn't signal a greater threat to Americans. But it allows the federal and state governments easier access to flu tests and medications.

Homeland Security Secretary Janet Napilotano says roughly 12 million doses of the drug Tamiflu are being released from a federal stockpile so that states can get it if needed.

Napilotano said at a White House news conference Sunday that the emergency declaration is standard operating procedure -- one was recently declare for the inauguration and for flooding.

The Mexico City mayor is telling the Associated Press, 5 new flu deaths overnight (4/25) -- 2 confirmed as swine flu; 73 more sickened.

Click here to learn more about what the swine flu is. The CDC is keeping track of swine flu cases state by state, click here for that breakdown.

Get the latest swine flu updates on Channel 13 Action News.