ROME (AP) — The number of confirmed coronavirus cases worldwide topped 20 million, more than half of them from the United States, India and Brazil, as Russia on Tuesday became the first country to approve a vaccine against the virus.
ROME (AP) — The United States’ failure to contain the spread of the coronavirus has been met with astonishment and alarm in Europe, as the world’s most powerful country edges closer to a global record of 5 million confirmed infections.
For a spiky sphere just 120 nanometers wide, the coronavirus can be a remarkably cosmopolitan traveler.
Spewed from the nose or mouth, it can rocket across a room and splatter onto surfaces; it can waft into poorly ventilated spaces and linger in the air for hours. At its most intrepid, the virus can spread from a single individual to dozens of others, perhaps even a hundred or more at once, proliferating through packed crowds in what is called a superspreading event.
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