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How development of the COVID-19 vaccine shattered records

Ian Explains: How Development of the COVID-19 Vaccine Shattered Records | GZERO Media

They said it couldn't be done: a vaccine developed in record time. In 1967, Merck had a license for a mumps vaccine, less than five years for work that normally takes decades. But that record is now being shattered as the COVID-19 vaccine reaches the market in less than a year. It's an unprecedented scientific development in a whirlwind year of crisis.

Watch the GZERO World episode: A Shot in the Arm: Moderna's Co-Founder on the COVID-19 Vaccine

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South Korean President Lee Jae Myung leaves after giving a speech on the Government's first supplemetary budget bill of 2026 at the National Assembly in Seoul, South Korea, 02 April 2026.
JEON HEON-KYUN/Pool via REUTERS

South Korea's President Lee Jae-myung's Democratic Party is poised to win 11 of 16 municipal races, a reversal from four years ago when the now-disgraced PPP dominated. But Lee’s surging popularity has foreign policy ramifications.

Chris, an Army veteran, started his Walmart journey over 25 years ago as an hourly associate. Today, he manages a Distribution Center and serves as a mentor, helping others navigate their own paths to success. At Walmart, associates have the opportunity to take advantage of the pathways, perks, and pay that come with the job — with or without a college degree. In fact, more than 75% of Walmart management started as hourly associates. Learn more about how over 130,000 associates were promoted into roles of greater responsibility and higher pay in FY25.