Covid-19 infections of vaccinated people are expected. But the unvaccinated are 'the big highway of transmission,' experts say.
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Covid-19 infections of vaccinated people are expected. But the unvaccinated are 'the big highway of transmission,' expert says
Tens of thousands of vaccinated people may catch Covid-19, but the majority will not fall severely ill — a testament to the efficacy of inoculations even against the Delta variant that has been fueling case surges across the US, a top health official said.
