MEXICO CITY—Guatemala wants U.S. authorities to offer medical guarantees that deported migrants are free from the coronavirus before allowing the resumption of deportee flights from the U.S., Guatemalan officials said Saturday.

The impoverished Central American nation is willing to take its nationals but wants to make sure all deportees are healthy so as to stop the country, which is locked down by a curfew, from becoming a major focus of the Covid-19 pandemic, the officials said.

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