Most attempts at a so-called universal vaccine have the modest goal of inducing immunity against an entire family of virus — all coronaviruses or all flu viruses, for example — usually by mimicking evolutionarily conserved viral components that are less likely to mutate. A truly universal vaccine that can counter diverse pathogens was a pie-in-the-sky idea.
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This week, Bose headphones are on sale. At Amazon, we spotted a deal on the 2nd generation of Bose QuietComfort Ultra headphones, giving you $50 off. Meanwhile at Best Buy, the Bose Ultra Open earbuds are $100 off, bringing them down to $199. But the deals don't end there. In our hunt, we found an extra sweet deal on the 1st generation of Bose QuietComfort headphones.