Pandemic is 'direct threat to our homeland security,' says infectious disease expert

The U.S. has now recorded more than 5 million confirmed cases of COVID-19 and 160,000 deaths -- over 22 percent of the worldwide totals. Many American public health experts warn that the U.S. is at another important crossroads in its response to the pandemic. Dr. Peter Hotez, an infectious disease specialist at the Baylor College of Medicine, joins Judy Woodruff to discuss his recommendations.

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