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COVID test accuracy is very similar to condom effectiveness: they're both high in theory, but surprisingly low in practice, not because of the science but user error. I've seen estimates as high as 1...
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
Anecdotes aren't worth much in this area. There's no conspiracy of silence about problems. We can use actual science. They actually test the quality of these tests. Some are better than others.For exa...
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
Because when you look at the excess deaths charts [1], there's nothing at all surprising before mid-March. Then from mid-March onwards, deaths (from all causes) go through the roof.So there simply was...
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
HN
From https://www.wsj.com/articles/so-where-did-the-virus-come-fro...:> New research has deepened, rather than dispelled, the mystery surrounding the origin of the coronavirus responsible f...
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
show context + On: Wuhan hospital traffic, search engine data indicate virus ac
In a previous report by Reuters, all 4,800 personnel were tested for COVID-19. 600 tested positive of which 360 were symptom-free leaving 240 that tested positive and showed symptoms. 1 person died ...
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
Herd immunity halts transmission after a point. The flu is between 33% and 44%. Covid-19 has some wide estimates for the threshold, between 29% and 74% according to the two studies referenced here: ht...
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
HN
The PCR test is a very specific test. A positive test means the RNA sequence of SARS-CoV-2 was detected. A negative test, however, would not be as strong of an indicator as false positive rates are qu...
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
Yes, higher dose/severity probably means more likelihood of detectable antibodies:https://www.biorxiv.org/content/10.1101/2020.05.21.108308v1> These data show that systemic IgA and IgG production agai...
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
This probably under counts the true number of infection significantly.If the sensitivity/specificity of the test was similar to the paper below, true prevalence for the ship probably approaches 100%.h...
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
show context + On: U.S. Navy test shows 60 percent of carrier crew have coronav
You seem to be very low on your Ebola numbers[0]. Is that based on a super-strict definition of "confirmed"?[0] https://www.bbc.com/news/world-africa-28755033...
show context + On: For experts who study coronaviruses, a grim vindication
show context + On: For experts who study coronaviruses, a grim vindication
HN
> Suppose $5T USD was funneled into all research over the last 10 years.Hard to answer exactly, but we can get a decent answer. A quick quack (search)[0] shows that in 2013 the US spent $435bn in rese...
show context + On: For experts who study coronaviruses, a grim vindication
show context + On: For experts who study coronaviruses, a grim vindication
Heinsberg study suggests a mortality rate of about 0.36%. This is high, but not "a big threat". Given that with 0.36% and 15% infection spread in the general population (like flu) you look a...
show context + On: For experts who study coronaviruses, a grim vindication
show context + On: For experts who study coronaviruses, a grim vindication
I'll give you an honest answer, but well, it's obvious. Yes, it's a big threat, it's clear if you pay attention. It's killed more than 100k people, a lot more than an annual flue. It's a horrible deat...
show context + On: For experts who study coronaviruses, a grim vindication
show context + On: For experts who study coronaviruses, a grim vindication
HN
By 2023, the USGS plans to have taken high-resolution LiDAR over the entire continental U.S., as well as creating 1-meter raster elevation products. Maps like these will be easier to create in the fut...
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
HN
If you could print on the maps the climbing routes from https://www.avenzamaps.com/maps/731848/mount-rainier-climbin... that would be amazing....
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
HN
Also have a look at the ASTER GDEM data for elevation and water body classification: https://asterweb.jpl.nasa.gov/gdem.asp. I have managed to successfully use this in one of my own projects, but it d...
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
HN
ALOS seems pretty good to me (I'm a GIS noob though). They have free 30m and expensive higher res https://www.eorc.jaxa.jp/ALOS/en/aw3d30/...
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
HN
A kindred spirit! I also am a forager (from VT).The "National Map" has a lot of the available high resolution elevation data (derived from LiDAR), but not all of it. Much of this data is col...
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
show context + On: Show HN: High Resolution Terrain Maps of Cascade Volcanoes
There's not really any evidence that bull markets die of old age.[1] For example prior to 2020, Australia had 29 years of robust economic growth without a recession.[2][1] https://www.cnbc.com/2018/03...
show context + On: May sees biggest jobs increase ever
show context + On: May sees biggest jobs increase ever
CNBC has some analysis on what jobs were created at : https://www.cnbc.com/2020/06/05/record-job-gains-heres-where...Looks like vast majority were in hospitality. Unfortunately, the warning sign is ~-...
show context + On: May sees biggest jobs increase ever
show context + On: May sees biggest jobs increase ever
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