RIO DE JANEIRO, BRAZIL - Virologist Julian Tang, from the University of Leicester, UK, says that European nations, Oceania, Israel, and parts of Asia, such as Singapore and South Korea, are expected to resume trade, tourism, and travel between these territories by mid-year, thereby enabling their economies to rebound.
Countries that fail to complete vaccination of their population and control the emergence of variants may eventually be isolated from the rest of the world, being officially or informally classified as "yellow" or "red" risk zones.
"We could see a breakdown by risk zones. For example, Southeast Asia and Europe will . . .
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