Coronavirus vaccine tracker: How close are we to a vaccine? - The Guardian
- Coronavirus vaccine tracker: How close are we to a vaccine? The Guardian
- COVID-19 vaccine must protect 50% of people for approval, FDA says Ars Technica
- Watch live: Senate holds hearing on Trump administration's Operation Warp Speed to develop coronavirus vaccine CNBC
- FDA Commissioner Hahn and Deputy Shah: Coronavirus vaccine search – here’s what we’re doing to defeat COVID-19 Fox News
- The FDA Wants a Covid-19 Vaccine That Really Works Bloomberg
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