北美新型冠状病毒感染疫情：截至2023年1月23日，美国累计确诊病例103,874,831例，累计死亡病例1,128,970例；加拿大累计确诊病例4,524,782例，累计死亡病例49,871例
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8 min ago
How the US went from zero coronavirus cases to 3 million in 170 days
From CNN's Madeline Holcombe and Holly Yan
The US has recorded more than 3 million coronavirus cases since the pandemic began, according to Johns Hopkins University numbers.
That's almost two times more than the second hardest-hit nation, Brazil, which has reported more than 1.6 million cases.
Here's a quick timeline of how quickly the virus spread in the US:
How the US went from zero coronavirus cases to 3 million in 170 days
From CNN's Madeline Holcombe and Holly Yan
The US has recorded more than 3 million coronavirus cases since the pandemic began, according to Johns Hopkins University numbers.
That's almost two times more than the second hardest-hit nation, Brazil, which has reported more than 1.6 million cases.
Here's a quick timeline of how quickly the virus spread in the US:
- Jan. 21: The US reports its first reported case.
- 99 days later: At least 1 million Americans have been infected
- 43 days later: The US reports more than 2 million cases
- 28 days later: The US reached 3 million cases
