Moderna shares up after revealing single-shot vaccine booster for Covid and flu

  By CNBC and Siam Rath MODERNA shares rose yesterday (Sept. 10) after it announced it’s developing a two-in-one vaccine booster shot that protects against both Covid-19 and the seasonal flu. The new vaccine, which the company is calling mRNA-1073, combines Moderna’s current Covid vaccine with a flu shot that’s also under development, according to

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