CBS4's Natalie Brand has more on the AstraZeneca vaccine.
ELLIOTT RODRIGUEZ: The United States could be on the verge of adding a fourth vaccine in the fight against the pandemic. It comes at a time when the CDC says the seven-day average of new coronavirus cases has increased slightly from the previous week. CBS4's Natalie Brand has more from the White House.
NATALIE BRAND: Results from US trials of the AstraZeneca vaccine are in. They show the vaccine was 79% effective at preventing COVID-19 symptoms, and the company says it was 100% effective at stopping severe illness and hospitalizations.
ANTHONY FAUCI: The good news is also that there was comparable efficacy across ethnicity and age.
NATALIE BRAND: Health experts believe the vaccine, which is already approved in other countries, will play a key role in global vaccination efforts. This comes as new cases here in the United States are up slightly, with states seeing a growing proportion of those new cases attributed to variants.
ROCHELLE WALENSKY: Believe me, I get it. We all want to return to our everyday activities and spend time with our family, friends, and loved ones. But we must find the fortitude to hang in there for just a little bit longer.
NATALIE BRAND: The head of the CDC says now is not the time to travel.
- The city of Miami Beach is currently under a state of emergency.
NATALIE BRAND: Miami extended a curfew after a video of this weekend showed large crowds of mostly maskless Spring Break revelers.
Vice President Kamala Harris traveled to Florida Monday as the administration continues its nationwide tour touting the recently passed $1.9 trillion American Rescue Plan. The vice president visited a vaccination center in Jacksonville.
- Thank you on behalf of the president and myself. Thank you.
NATALIE BRAND: In New York City, Mayor Bill de Blasio welcomed public high school students back for in-person classes Monday. Safety measures will include weekly random COVID testing. Natalie Brand CBS News, Washington.
ELLIOTT RODRIGUEZ: Well the CDC says that nearly 25% of the American population has received at least one vaccine dose, and about 13% of the population is fully vaccinated. Look for much more on the race to vaccinate tonight on the CBS Evening News with Norah O'Donnell. That's at 6:30 after CBS 4 News at Six.