While confirmed cases tell only part of the story, and one should keep an eye on other important metrics (like hospitalizations), cases provide *early* information, and, when dealing with a process that is exponential, you want to know as early as possible how things are evolving
-
-
Show this thread
-
About reading the positive rate plot, adapted from a comment by
@AeroSpaceKnight's : The tighter the squiggle, the less change in testing and detected virus spread; being presently (= round marker) in a red zone is bad, green good; straight lines mean constant positive rate;...Show this thread -
... upward vertical shifts are bad (new cases increasing even if tests are not increasing -> virus is spreading) and rightward horizontal shifts are good (new cases do not increase even if we test more -> visrus spread is reducing)
Show this thread -
Information about the importance of the positive rate, recommended value for it (< 5%) for safe reopening, and status for all states, at https://coronavirus.jhu.edu/testing/testing-positivity …
Show this thread -
..From the website: "On May 12, 2020 the World Health Organization (WHO) advised governments that before reopening, rates of positivity in testing (ie, out of all tests conducted, how many came back positive for COVID-19) of should remain at 5% or lower for at least 14 days."...
Show this thread -
..."If a positivity rate is too high, that may indicate that the state is only testing the sickest patients who seek medical attention, and is not casting a wide enough net to know how much of the virus is spreading within its communities"
Show this thread
End of conversation
New conversation -
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.