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US health officials have announced that vaccinated Americans no longer need to wear masks or social distance in most indoor settings – but many Americans remain confused as Covid-19 rules just became more complicated.

Last week, the US Centers for Disease Control and Prevention (CDC) changed their guidance on face masks, saying that fully vaccinated people no longer need them in most places. It comes just over a year since the CDC first recommended that Americans cover their face and nose when in public and as new cases and deaths continue to fall.

So far, nearly two