Is the J&J vaccine less effective vs. the Delta variant? Plus, a big drop in American life expectancy.

New research shows that the Johnson & Johnson vaccine might be less effective against the Delta variant.

Thanks largely to Covid-19, American life expectancy in 2020 saw its biggest drop since World War II.

Even with some fears, the vaccines appear to be holding up against the virus.

And in Los Angeles, bars and restaurants are leading the way by requiring customers to show proof of vaccination.

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