CDC director warns of possible 4th COVID-19 wave

As more people become vaccinated, Rochelle Walensky is pleading with Americans to keep their guard up, calling new variants "a real threat to our people and to our progress."
2:29 | 03/02/21

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Transcript for CDC director warns of possible 4th COVID-19 wave
Going to turn to the latest in the fight against the coronavirus. More than 25 million Americans are now fully vaccinated. This as the CDC director issues a new warning with fears that there could be a possible fourth wave of the pandemic as a drop in covid cases stalls. Victor Oquendo joins us from Miami beach where spring break may make matters worse. Reporter: The director of the CDC calling these variants a real threat and spreading quickly here in Florida but that's not stopping spring breakers now concerned that they could further the spread here or when they return home possibly fueling a fourth wave. This morning, the director of the CDC is pleading with Americans to keep their guard up. I remain deeply concerned about potential shift in the trajectory of the pandemic. Reporter: Hoping to prevent a possible fourth wave of the pandemic. According to the department of health and human services, last week the U.S. Reported an increase of cases by 2% after six weeks of cases on the decline and with at least seven states relaxing restrictions this week, the CDC is warning the number of cases is far too high especially with covid variants spreading. At this level of cases with variants spreading we stand completely to lose the hard earned ground we have gained. These variants are a very real threat to our people and progress. Reporter: Those concerns apparently falling on deaf ears for many already flocking to Florida for spring break. Last year because of covid I didn't go anywhere so I was like we're going somewhere now. Reporter: With crowds sure to grow in the coming week, Miami beach scrapping all officials spring break events, local leaders across south Florida encouraging mask wearing and social distancing, banning alcohol on beaches and beefing up the police presence. It's spring break on Miami beach and we want you to remember to vacation responsibly or you will be arrested. Reporter: The warning comes with the U.S. Still seeing nearly 70,000 cases a day. Among them Albert and Josie both had appointments to get vaccinated but before they got their shots the Phoenix couple contracted covid. Married for 60 years they died just six days apart. They were that close to being safe. This pandemic thing is real. Reporter: On the vaccine front the first doses of the Johnson & Johnson vaccine could go into arms as early as today. Sure hope that's the case. Thanks so much, Victor.

This transcript has been automatically generated and may not be 100% accurate.

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