There was a rebuttal to the New York times article above that listed the CDC actions in January. So to be fair I wanted to list those through January:
January 6 - CDC issued a travel watch for Wuhan, China
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January 15 - Japan reports 1st case.
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January 17 - CDC announces airport screening at 3 airports for travelers from Wuhan, China and issues a HAN.
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January 18 - US embassy issues a statement on Wuhan, China
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January 18 - World Health Organization Western Pacific tweets that there is some evidence of limited human-to-human transmission
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January 20 - South Korea reports 1st case
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January 20 - Thailand reports 1st case l
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January 20 - China government admits new coronavirus transmits human-to-human and there are some infected health care workers
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January 21 - World Health Organization Western Region tweets that "there is some human-to-human transmission", health care workers are infected.
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January 21 - ECDC - "The likelihood of introduction of the virus to the EU is considered low."
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January 21 - China officials start a shut down of Wuhan.
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January 21 - China announces 291 confirmed cases in 3 provinces and Beijing, plus suspected cases in 12 more provinces.
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January 21 - Taiwan reports 1st case.
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January 21 - United States reports 1st case.
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January 21 - CDC raised health advisory to level 2. Also expanded screening of travelers from Wuhan at more US airports.
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January 22 - Hong Kong reports 1st case.
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January 23 - W.H.O. declines to declare a public health emergency of international concern.
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January 23 - CDC upgrades health advisory to a level 3 for Wuhan, China
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January 23 - Singapore reports 1st case.
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January 24 - China institutes a public transportation ban to 12 cities.
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January 24 - CDC confirms second US case of coronavirus and is monitoring 63 other possible infections
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January 26 - United States reports 3rd case.
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January 27 - CDC: Avoid all non-essential travel to Hubei, China.
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January 29 - CDC: 20 airports are now screening where CDC has quarantine stations. Low risk to general American public. Most Americans don't need to be necessarily concerned.
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January 31 - United States reports 7th case.
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January 31 - CDC Issues Federal Quarantine Order to Repatriated U.S. Citizens at March Air Reserve Base.
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January 31 - US declares Public Health Emergency - Temporary travel ban on foreign nationals who have recently visited China.
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