Moderna and Merck & Co. have developed a cancer vaccine that cuts the risk of death or recurrence of most deadly skin cancer by 44 percent compared to Merck's Keytruda on its own, according to researchers. 

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Expect a Hot, Smoky Summer in Much of America
The only break much of America can hope for anytime soon from eye-watering dangerous smoke from fire-struck Canada is brief bouts of shirt-soaking sweltering heat and humidity from a southern heat wave that has already proven deadly, forecasters say.
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