[Lex Computer & Tech Group/LCTG] COVID levels in wastewater

[Robert Primak]

 Definitely a possibility. But I think the numbers do indicate a recent spike in virus load in the wastewater. And a more recent decline. If the trend continues and is not followed by another spike, this would correspond with a genuine decline in the risk level. So I think relying on wastewater data is still a good indicator, though not the only reliable indicator. And not without its flaws. 
-- Bob Primak 


    On Sunday, January 15, 2023 at 02:44:03 PM EST, Ted Kochanski <tedpkphd at gmail.com> wrote:  
 
 John,
There is a big problem with this data being compared over long periods of timeSome of the waste water includes surface run-off and some mostly doesn'thence, since the y axis is a concentration of virus in the water -- if the amount of "active water" from households is diluted by surface run-off because of recent rain or even more complicating melting snow mixed with recent rain -- how can you tell?
I suggest that the data suggests that last year there was a real spike and that recently there is just "noise" in the system
Ted

On Fri, Jan 13, 2023 at 8:17 PM <jjrudy1 at comcast.net> wrote:


Don’t worry about the y-axis, just the shape of the curve.  The article gave no indication as to what is “good”.  In the later graph look at the winter spikes.  The big problem was a year ago.

 



 



 

John Rudy

 

781-861-0402

781-718-8334  cell

13 Hawthorne Lane

Bedford MA

jjrudy1 at comcast.net



 
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