Source: United States & Canada – South China Morning PostWith the Omicron variant on the march, President Joe Biden plans to announce 500 million free rapid tests for Americans, increased support for hospitals under strain and a redoubling of vaccination and boosting efforts.In a speech scheduled for Tuesday afternoon, Biden is detailing major changes to his Covid-19 winter plan, his hand forced by the arrival of the fast-spreading variant, whose properties are yet not fully understood by scientists.The world is confronting the prospect of a second…Read More