As Covid-19 cases have climbed, public health experts have urged people to dump their cloth masks in favor of higher-quality options and to test more frequently to curb the virus.

The Centers for Disease Control and Prevention on Friday updated its mask guidance to note that the disposable N95 or KN95 masks offer the "highest level of protection" against the virus.

For some, the added financial burden is an irritation — but still affordable. To others, the prospect of paying $1 for a single disposable mask or $24 for a test kit is an economic impossibility, raising the specter that the pandemic will continue to exacerbate inequalities.

Mask rules get tighter in Europe in winter's COVID-19 wave | AP News ROME (AP) — To mask or not to mask is a question Italy settled early in the COVID-19 outbreak with a vigorous “yes." Now the onetime epicenter of the pandemic in Europe hopes even stricter mask rules will help it beat the latest infection surge. AP NEWS

... Other countries are taking similar action as the more transmissible — yet, apparently, less virulent — omicron variant spreads through the continent.