- When will Covid-19 end? Experts are unsure but more vaccines are a case for optimism. Vox.com
- Covid-19 News: Live Updates The New York Times
- AstraZeneca Covid-19 Vaccine Effective Against U.K. Variant in Trial The Wall Street Journal
- Spain limits AstraZeneca jab to the under-55s Medical Xpress
- The FDA wants to make it quicker for vaccine developers to upgrade their COVID-19 shots to respond to troubling virus variants Yahoo News
- View Full Coverage on Google News
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