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Covid 19 virus
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drussell:

--- Quote from: hamster_nz on March 27, 2020, 09:46:39 pm ---I wonder why the WHO data for the US lags other sources, like John's Hopkins. .

Are the US not sharing info in a transparent and timely manner?
--- End quote ---

No, probably not always.  I suspect that the individual areas are all trying their best in most places.  Due to the lack of a functioning, cohesive federal system there right now though, the states' individual totals are probably the most accurate.  There is going to be exponential growth for weeks, though, so the precise numbers aren't really all that important right this moment or the immediate future.  Eg, New York is going to be hit extremely hard, regardless of whether some specific 10 or 20 thousand new cases show up on today's update or tomorrow's, depending on precisely when you roll over your daily total counter clock.  While the ultimate accuracy is important, the precise sequence in the timing of reporting statistics (though it is helpful if they are least consistent,) is relatively inconsequential in the end in this particular case due to the high number of cases, unfortunately.   :(

Here in Canada, the official federal page even specifically says that if there is any disagreement between the federal and provincial numbers, the provincial numbers should be presumed to be the most up-to-date and are to be taken as correct.  Healthcare is administered at the provincial level here in Canada, though there is federal oversight and guidelines for care standards, etc.

It is nice to live in a country with rapid, continuous transparency on this kind of issue.  Personally, I really have absolutely no reason to doubt how current and comprehensive, nor the accuracy of any of my local data, including things like:

https://www.alberta.ca/covid-19-alberta-data.aspx#toc-0
https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection.html#a1
https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/health-professionals/epidemiological-summary-covid-19-cases.html

How quintessentially Canadian...
Every one of the Federal pages has a button at the bottom to "Report a problem or mistake on this page"
drussell:

--- Quote from: maginnovision on March 27, 2020, 11:52:25 pm ---I'm curious, why does Johns Hopkins always show more than CDC? I'd expect CDC to be the authority.
--- End quote ---

The CDC's (and therefore the WHO, etc's) numbers significantly lag the individual states' disclosures.
drussell:

--- Quote from: engrguy42 on March 27, 2020, 10:59:12 pm ---So I'm guessing that due to the time it takes CDC to finish its report then send it to WHO and have WHO incorporate it with all the others probably takes a day or so, and we should expect those CDC numbers to appear in tomorrow's WHO report.
--- End quote ---

Yes, the most local individual statistics are most likely to be correct.

It necessarily takes time for aggregate statistics to move up the reporting chain.
maginnovision:
https://www.npr.org/sections/goatsandsoda/2020/03/27/822407626/mystery-in-wuhan-recovered-coronavirus-patients-test-negative-then-positive

Supposedly china doesn't count asymptomatic positives and they might be seeing reinfections.
Cerebus:

--- Quote from: maginnovision on March 27, 2020, 11:52:25 pm ---I'm curious, why does Johns Hopkins always show more than CDC? I'd expect CDC to be the authority.

--- End quote ---

I'd guess, and I am just guessing, that Johns Hopkins, a medical school, is trying to get the latest raw data out as quickly as possible for the benefit of researchers around the world, whereas the Centre for Disease Control is trying to generate a more finished product, one that disease control policies can be safely based on and probably has some additional formal quality control and review steps to go through before officially publishing numbers. It's precisely because CDC would want to have the authoritative figures that they'd want to do that, and that takes a little time.
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