- Walmart, the world's largest retailer, will require customers to wear masks starting next week.
- Dr. Anthony Fauci called Covid-19 a "pandemic of historic proportions." An influential model is now projecting that 224,000 Americans will die from the virus by November 1, an increase due to skyrocketing cases around the country.
- Some of America's largest school districts say they won't resume in-person classes this fall, despite President Trump's calls to reopen.
- One Covid-19 vaccine candidate has been found to induce immune responses in all of the volunteers who received it in a Phase 1 study. Remember: These are early results.
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