AstraZeneca's self-inflicted wounds
When the AstraZeneca-Oxford vaccine was first announced, many people saw it as the way out of the pandemic. But since then it's been plagued by bad headlines, miscommunication and straight-up bad luck.
Now, U.S. health officials have taken the rare step of sending the company a scathing letter for releasing what they say is "outdated and potentially misleading" data on the vaccine's efficacy.
STAT health reporter Helen Branswell breaks down why this effective and safe vaccine can't seem to catch a break.