Americans, already weary of a pandemic nearly two years long, were dealt a new blow during the long Thanksgiving weekend: the announcement that a new coronavirus variant had emerged.

The omicron variant, officially known as B.1.1.529, surfaced in November in several southern African nations. It set off alarm bells worldwide when public health officials in South Africa saw it beginning to outcompete the previous reigning variant, delta. This suggested that omicron could eventually spread widely. Indeed, omicron has since been reported on multiple continents, likely due to international travel by people unknowingly infected.

After the emergence of omicron was announced, several nations imposed travel bans hoping to contain the virus. Whether those bans will effectively slow the spread remains unknown. “Travel bans

Read More At Article Source | Article Attribution