Enlarge (credit: Marina Dekhnik | Getty Images) In mid-February, three travelers were stopped at the airport in Luanda, Angola. Even during the pandemic, the country, a hub for the oil industry, had seen plenty of passengers from Europe and South Africa, where two concerning variants of the virus that causes Covid-19 hold sway. But the […]
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As coronavirus variants spread, the US struggles to keep up
Enlarge (credit: Bing Guan | Bloomberg | Getty Images) Across the US, the coronavirus is in retreat. The pandemic is still raging, mind you, with more than 70,000 new cases still reported each day. But since the post-holiday peak in mid-January, the seven-day average of new cases has fallen by nearly 64 percent. Hospitalizations have […]