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Search: Posts Made By: Peter H
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Forum: Jet Blast
19th Oct 2020, 16:03
Replies: 10,778
Views: 989,608
Posted By Peter H

Although I haven't seen the maths, that does...

Although I haven't seen the maths, that does sound intuitively reasonable. Presumably you would still get significant info if you backtraced only a sample of cases? (Aiming for insight rather than...
Forum: Jet Blast
19th Oct 2020, 13:38
Replies: 10,778
Views: 989,608
Posted By Peter H

I used a figure I remembered being widely used...

I used a figure I remembered being widely used earlier, but I would like to know a better figure for the end-to-end false negative rates of the swab tests currently in use.

As I understand it this...
Forum: Jet Blast
15th Oct 2020, 18:32
Replies: 10,778
Views: 989,608
Posted By Peter H

Am I alone in thinking that -- with a false...

Am I alone in thinking that -- with a false negative rate of ~30% and cases increasing -- this may be a sub-optimal strategy?
9th Oct 2020, 11:00
Replies: 38
Views: 7,457
Posted By Peter H

SLF question: What is needed to keep the airports...

SLF question: What is needed to keep the airports open and minimally staffed (e.g. ATC, emergency services, ground handling)?
Forum: Jet Blast
8th Oct 2020, 10:30
Replies: 10,778
Views: 989,608
Posted By Peter H

I think that you are wildly over-interpreting...

I think that you are wildly over-interpreting some questionable evidence.

If Trump has recovered without severe complications (perhaps still a few days to wait if the White House timing is right)...
Forum: Jet Blast
3rd Oct 2020, 10:32
Replies: 10,778
Views: 989,608
Posted By Peter H

Thee are lots of different facets of the immune...

Thee are lots of different facets of the immune system, all doing their bit. Sometimes a facet behaves wildly inappropriately for the circumstances, for example in allergies. Where an over-reaction...
Forum: Jet Blast
3rd Oct 2020, 09:11
Replies: 10,778
Views: 989,608
Posted By Peter H

Typical progress of COVIS-19

Haven't seen this one before https://katrimanninen.net/covid19progress/
...
Forum: Jet Blast
2nd Oct 2020, 17:10
Replies: 3,781
Views: 167,310
Posted By Peter H

Just checking my hazy memory of the corvid...

Just checking my hazy memory of the corvid time-line. Trump is now showing mild symptoms, am I right in thinking that any severe symptoms would typically start to show in another 7-10 days?
Forum: Jet Blast
1st Oct 2020, 11:13
Replies: 10,778
Views: 989,608
Posted By Peter H

Why many ventilation systems may increase risk of COVID-19 exposure

Press release https://healthcare-in-europe.com/en/news/why-many-ventilation-systems-may-increase-risk-of-covid-19-exposure.html
The team found that widely-used ‘mixing ventilation’ systems, which...
30th Sep 2020, 11:00
Replies: 435
Views: 170,862
Posted By Peter H

Doesn't that depend on who "you" are. Short-term...

Doesn't that depend on who "you" are. Short-term investors? Management with bonuses and golden parachutes?
Forum: Jet Blast
30th Sep 2020, 10:01
Replies: 10,778
Views: 989,608
Posted By Peter H

Vitamin D and Covid: A Review

An interesting examination of some of the evidence.

https://www.devaboone.com/post/vitamin-d-and-covid?postId=5f729cf1efb0ee0017940a2e
It’s not enough, though, to have a plausible explanation for...
26th Sep 2020, 18:11
Replies: 129
Views: 32,102
Posted By Peter H

I can only quote the referenced paper. Given...

I can only quote the referenced paper.
Given the case histories and sequencing results, the most likely sequence of events is that one or both of passengers A and B contracted SARS-CoV-2 in North...
26th Sep 2020, 13:38
Replies: 129
Views: 32,102
Posted By Peter H

In...

In https://www.nature.com/articles/d41586-020-00502-w

21 September — Business-class passenger spreads coronavirus on flight

Genetic evidence strongly suggests that at least one member of a...
Forum: Jet Blast
24th Sep 2020, 20:50
Replies: 10,778
Views: 989,608
Posted By Peter H

From reports a month ago (and accepting that...

From reports a month ago (and accepting that deaths lag infections/cases).

Estimating the infection fatality ratio in England...
Forum: Jet Blast
22nd Sep 2020, 10:58
Replies: 10,778
Views: 989,608
Posted By Peter H

My impression is that it has been done in an...

My impression is that it has been done in an attempt to reduce street-crowd size and related covid-relevant-behaviour in city centres after the pubs are emptied. (No idea how effective it is at...
Forum: Jet Blast
21st Sep 2020, 16:57
Replies: 10,778
Views: 989,608
Posted By Peter H

As a PS to my last post the intellectually and...

As a PS to my last post the intellectually and politically divided USA seems to be having two loosely-linked epidemics. (If anybody has a later graphic please post or pm it.)...
Forum: Jet Blast
21st Sep 2020, 13:36
Replies: 10,778
Views: 989,608
Posted By Peter H

Not entirely. ...

Not entirely.

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/600x600/covid_usa_eu_tosept_50__b33c3224e7b988d20f3b40ce0a64026b9ac06c3e.jpeg
Populations: USA 329M, EU 445M
Forum: Jet Blast
19th Sep 2020, 20:42
Replies: 10,778
Views: 989,608
Posted By Peter H

Too late for the patent How to Make a Cloth...

Too late for the patent
How to Make a Cloth Face Mask with a Filter https://www.healthline.com/health/how-to-make-a-face-mask-with-filter
Forum: Jet Blast
19th Sep 2020, 20:07
Replies: 10,778
Views: 989,608
Posted By Peter H

Ig Nobel Prize for Medical Education

Donald Trump, Boris Johnson and Brazil’s Jair Bolsonaro have been “world-beating” when it comes to the world’s worse Covid-19 death rates. And now they have been honoured along with other world...
Forum: Jet Blast
19th Sep 2020, 19:09
Replies: 10,778
Views: 989,608
Posted By Peter H

WW2 killed ~0.94% of the UK population over...

WW2 killed ~0.94% of the UK population over several years, I think politicians might balk at achieving a similar effect in a few months, doesn't look good on the CV.

However I don't think that it...
Forum: Jet Blast
18th Sep 2020, 23:49
Replies: 10,778
Views: 989,608
Posted By Peter H

And the real problem is that much of it...

And the real problem is that much of it previously relied on [currently] unacceptable levels of social distancing. Sometimes as an important part of the experience, and sometimes to reach an...
Forum: Jet Blast
18th Sep 2020, 23:32
Replies: 10,778
Views: 989,608
Posted By Peter H

In addition, periodic shutdowns can be either...

In addition, periodic shutdowns can be either ad-hoc or planned. I don't think anybody has tried the latter, but papers early in the epidemic suggested that it might have advantages. Medium range...
Forum: Jet Blast
18th Sep 2020, 12:55
Replies: 10,778
Views: 989,608
Posted By Peter H

Good spot .....

Good spot .....
Forum: Jet Blast
18th Sep 2020, 09:32
Replies: 10,778
Views: 989,608
Posted By Peter H

While it must be comforting to believe that...

While it must be comforting to believe that virtually all corvid fatalities were about to "pop their clogs", it doesn't seem to be supported by efforts to estimate the "years of life lost" in these...
Forum: Jet Blast
18th Sep 2020, 08:21
Replies: 10,778
Views: 989,608
Posted By Peter H

Your link doesn't work for me, but I assume that...

Your link doesn't work for me, but I assume that you are referring to this farm
Spain To Kill Authorities in northern Spain ordered over 90,000 mink to be killed at a farm....
Showing results 1 to 25 of 361
 


 
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