Hopes are dimming that "herd immunity" can help stamp out the deadly pandemic raging unchecked around the globe amid concerns about reinfection.

<p>Hopes are dimming that "herd immunity" can help stamp out the deadly pandemic raging unchecked around the globe amid concerns about reinfection.</p>

Get the latest news, sports, entertainment, money and tech stories from USA TODAY through your voice assistant.

<p>Get the latest news, sports, entertainment, money and tech stories from USA TODAY through your voice assistant.</p>

Advertisement