President Biden holds his first solo press conference today. AstraZeneca has released new efficacy data for its COVID-19 vaccine in response to the independent review panel that warned the numbers it released earlier in the week were "outdated." And, Colorado officials weigh new gun laws in response to the mass shooting in Boulder.

Boulder Police say their investigation of the mass shooting at a grocery store could take five days or more. President Biden calls on lawmakers to act on gun control to stop future mass shootings. And, the Department of Education has released new data about education disparities that have emerged during the pandemic.

Ten people were killed when a gunman opened fire at a Colorado supermarket. Federal officials say an independent panel of experts said the AstraZeneca vaccine's Phase 3 trial data may have relied on "outdated information". And, the Biden team's next legislative push would boost infrastructure.

The results of a new efficacy study on the AstraZeneca vaccine could pave the way for a Food and Drug Administration decision on whether the vaccine can be used in the United States. The city of Miami Beach is under a curfew to try to mitigate crowds of rowdy spring breakers. And, the Biden administration is struggling to address the developing migration crisis at the country's southern border.

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President Biden and Vice President Harris express grief in Atlanta, as there details emerge about the 8 people killed in Tuesday's shootings. The CDC says some students can be 3 feet apart in schools, rather than previous guidance of 6. Surveys of Black and Latinx Americans show more intend to get COVID vaccines now, a change from a few months ago.

As the European Medicines Agency determines that the AstraZeneca COVID-19 Vaccine is safe, the U.S. will send millions of doses of the vaccine to Canada and Mexico. President Biden and Vice President Harris head to Georgia in the aftermath of this week's shootings. And FBI Director Christopher Wray says the threat of right-wing extremism is growing.

Two police departments in Georgia are investigating the killings of eight people, six of them Asian women, by a 21 year-old white man. President Biden hopes to address the migration crisis at its roots in Central America. And, serious liver diseases are increasing, especially in young women.

A 21 year-old white man has been arrested in a string of shootings in Georgia that killed eight people, six of them women of Asian descent. Homeland Security Secretary Alejandro Mayorkas says the surge of migrants arriving at the U.S.-Mexico border is on pace to be the largest in two decades. And, COVID relief measures aimed at helping renters could help landlords struggling with mortgage payments as well.

Portugal joins a growing number of European countries to suspend use of the AstraZeneca vaccine temporarily. Opioid maker Purdue Pharma has filed for bankruptcy with a plan to dissolve the company. And two men have been arrested in the assault of Capitol Police Officer Brian Sicknick, who died of his injuries the day after the Jan. 6 insurrection at the Capitol.