Discover and read the best of Twitter Threads about #testing

Most recents (24)

On Friday (Sept 18), #Canada’s Chief Public Health Officer told us that Case counts in Canada indicate “accelerated epidemic growth”. Is this true or is it ye olde #Coronaphobia? Let’s take a deep #data dive

#COVID19 #Coronavirus #pandemic #science #fear
Let’s the look at the current data as of Thursday this week posted on Public Health #Ontario’s website

#COVID19 #Coronavirus #pandemic #science #fear #Canada #data #covidontario Image
#Testing continues to rise, and an infinitesimally small proportion of all those tests completed are #positive. How infinitesimal? 1.2%

#COVID19 #Coronavirus #pandemic #science #fear #Canada #data #covidontario Image
Read 15 tweets
YES! Just published article "The Bureaucratic Burden of Identifying your Rapist and Remaining “Cooperative”: What the Sexual Assault Kit Initiative Tells us about Sexual Assault Case Attrition and Outcomes." Full-text link. @BegunCenter @SAKInitiative

link.springer.com/article/10.100…
/2 Main Qs: We know kits weren't tested but why didn't these cases result in holding the offender accountable? When did these cases fail to proceed in the criminal justice process and why?
3/ Findings: 1) Most "closed" very early in the process. Soon after reporting, soon after the assault. 2) Most were minimally investigated. 3) Most closed before detectives interviewed victims.
Read 8 tweets
Call them The #VaccineBrothers.

#ChrisWhitty #PatrickVallance

Ultimately, loyal to their overlords at #GSK et al & man who's bankrolling the global #COVID vaccine project, #BillGates.

The 'pandemic' was only ever about control, domination & money.

#BorisJohnson #MattHancock
#PatrickVallance has already cashed in more than £5 million worth of shares from #vaccine moguls #GSK...
telegraph.co.uk/news/2020/09/2…
#ChrisWhitty was already in the pocket, after being awarded $40million (£31 million) by the Bill and Melinda Gates Foundation.

Note the Guardian's role in PR puff-pieces promoting Whitty back in early March: theguardian.com/society/2020/m…
Read 6 tweets
Helpful #nhsxCOVID19app explainer [Thread] 👇 from @hadleybeeman.

For more technical background, see github.com/nhsx/covid19-a… for, e.g. system architecture (v3) and (predominantly @AWS) infrastructure.

Of course, we're still waiting for the results of the trials...
...and, as the BBC's write-up concludes, evidence that #ExposureNotification works in practice is "scant" - in ALL countries attempting it, not just the UK:

bbc.co.uk/news/technolog…

Efficacy (as in NZ) will most likely come from #QRcheckin, which could've been done months ago.
Bottom line, will I be downloading it? Already have - as I did with the other versions, to see what they did.

Will I be using it? Probably. Not least to avoid having to hand over personal details; combined with regular data deletes/resets.

Will I trust it to keep me safe? No...
Read 9 tweets
Experts warn the efforts need more time and will pose a #PublicHealth challenge, claiming they could “be even worse than the problems with #testing & #PPE.”
by Raul Diego @hijodelcuervo
mintpressnews.com/trump-pushes-c… #CovidVaccine #vaccine #covidbriefing #COVID19 #Covid_19 #coronavirus
Special Report
An experimental new vaccine developed jointly with the US government claims to be able to change human DNA and could be deployed as early as next year through a DARPA-funded, injectable biochip.
by Raul Diego
mintpressnews.com/darpa-covid-19… #covidbriefing #COVID19vaccine
Recently-appointed #HHS spokesperson, #MichaelCaputo, went on a wild rant over social media to plant a number of bizarre ideas in Americans’ minds as the partisan #Coronavirus messaging wars intensify.
by Raul Diego @hijodelcuervo
mintpressnews.com/facebook-live-… #covidbriefing #COVID19
Read 3 tweets
1/x Lies, Damned Lies & Health Stats – #Deadly #Danger of #False_Positives

Dr @MichaelYeadon3 , former CSO/VP, Pfizer; co-Founder, Ziarco

Quoting,
“[PCR] #CANNOT #distinguish between #living_virus
&
#short_strand #RNA..broke in pieces wks..mths ago”>

lockdownsceptics.org/lies-damned-li…
2/x I recommend reading ENTIRE article!

Quoting,

“...virus found in 1 in every 1000 people [0.1%].

So when all these 10,000 people are tested in Pillar 2,
you’d expect 10 #true #positives to be found

(...focus ..on #false_positives)...” >
3/x Quote,

“What do we know about #false_positive #rate?

[quoting report]
“Unless we understand #operational #false_positive #rate of UK’s #RT_PCR testing system, we risk

#OVER_ESTIMATING #COVID19 #incidence,

demand on track & trace

and

extent of #asymptomatic infection” >
Read 13 tweets
1/x More on #False_Positives
By Health Data Research UK

False Positive Tests

Quoting,

“ Testing for #SARSCoV2 infection in populations where #active_infection is #very #uncommon: the #problem of #false_positives.

the issue?” >

hdruk.ac.uk/projects/false…
2/x con’t

#Increasing..calls for #widespread testing for #SARSCoV2 infection in pop’ns **where only a very #SMALL proportion of people currently have active infection**, #with #or #without obvious #symptoms

NO diagnostic test is perfect

.. #problem of false positive tests..“>
3/x quoting,

“...#where #people #who do #NOT have #infection #receive a #positive test result #when it #s/be #negative..

As #active #viral_infection #becomes #less and less #common in any #population,
#problem of #false_positive tests #increases,

#even with best tests...” >
Read 9 tweets
Disagree: It's failure wrt (1) wear masks in presence of others,(2) Hygene, (3) Physical Distancing (2m), (4) Ventillation (5) unfiltered AC air(6)Quarintene ensuring 1-5.
2/gpc #TTQ #Testing is useless if the "#quarantined" person infects every1 in his/her household or all non-COVID patients in clinic/ hospital. Testing is useless if a person has already infected 10 others & u can't #trace them! #TTQ is only as good as the weakest link in chain
3/gpc #TakeCare A V good friend just got #Covid from visiting a neighbor-hood Bank branch in which 5-6 employees were found to be infected (obviously he didn't know this when he went ). Follow five fold path in 🧵 & if you are over 62 avoid meeting any stranger.
Read 4 tweets
#Volume #Price Action (VPA) 101

Five phases of VPA are as follows:

- Accumulation Phase

- Buying Climax

- Testing

- Distribution Phase

- Selling Climax

(1/n)
#Accumulation phase

Before the insiders can begin to do anything, they need to make sure they have enough inventory, to meet demand.

Once accumulation has begun, the price action follows this typical pattern, where the market is repeatedly moved higher and lower.

(2/n)
#Accumulation phase

It's all about supply and demand. If the insiders can create the demand, then they need the supply to meet this demand.

The repeated buying by the insiders is highlighted in blue.

(3/n)
Read 19 tweets
Let's look at #Ontario's #testing strategy in comparison to countries lauded for best managing #COVID19 (Taiwan, South Korea, Japan, New Zealand). Orange lines are tests, blue lines are cases. We can see, as cases rise, so does testing. When cases come down, tests follow. 1/3
This makes sense. When infections are rising, more people are getting infected & more people are contacts of cases. So more need to be tested. Labs have spare capacity to absorb. Now let's look at Ontario. As cases came down in May/June, tests paradoxically rose & stayed up. 2/3
Today, we see a spike in cases, & predictably, tests are rising. Unlike our better-performing peers, we didn't save capacity for this rainy day. So now test results are slow & line-ups are long. But it isn't too late. We have data on which testing is wasteful. Let's fix this! 3/3
Read 3 tweets
(Thread) #SouthDakota is in red zone for #COVID19 cases, more than 100 new cases per 100,000 population last week, 2nd highest rate in the country. South Dakota is in the #RedZone for test positivity, indicating a rate above 10%, with the 2nd highest rate in the country. 1/
#SouthDakota has seen increase in new cases and stability in test positivity over the last week; additional cases in institutes of higher education are noteworthy - @GoJacksSDSU (Brookings) & @usd (Vermillion) both had substantial increases in cases this past week. 2/
38% of all counties in #SouthDakota have moderate or high levels of community transmission (yellow or red zone), with 29% having HIGH levels of #communitytransmission (red zone). 3/
Read 9 tweets
The real #testing story is Pillar 2 testing capacity appears to have been reached (i.e "on-line testing booking was periodically taken off line to 'throttle demand'") way back in late August - this by the DPH of Blackburn and Darwen themj.co.uk/We-must-rapidl…. Journalists: DMs open Image
It is not easy to see that testing capacity has been reached on the data dashboard. Here's what I see today at coronavirus.data.gov.uk/testing for Pillar 1 and 2 - so what's the problem? Lots of apparent headroom between demand and supply Image
To see what has (and is) going wrong, you have to look at the data download in the top right corner. You can extract a spreadsheet. I have only added one column - the percentage of Pillar 2 used each day Image
Read 14 tweets
1. News: It Begins… Black Lives Matter Rioters Destroy Restaurants — Then Start Climbing on People’s Homes -Thread 9.5.2020

thegatewaypundit.com/2020/09/begins… #RIOTS #TERRORISTS #THUGS #DEMOCRATS
2. News: "I'm outraged. I'm angry" Wasserman Schultz denied entry at the Miami Processing & Distribution Center 10 miles away by a local Postal Service official as 2 ARMED Postal Inspection Service officers stood in front of turnstiles in the lobby. arkansasonline.com/news/2020/sep/…
3. News: Michael Reinoehl appeared to TARGET Trump supporter & Prayer Patriot Aaron 'Jay' Danielson who attended a Trump Rally earlier before being fatally shot & killed in Portland, Police said. oregonlive.com/crime/2020/09/… #TrumpSupporter #Murderer
Read 66 tweets
1/ Fantastic! by Prof C @carlheneghan

Corona #cases are #mounting but #deaths remain #stable. Why?

“..A 4th ..explanation is.. THE 'REALITY PROBLEM'

[#PCR] tests used worldwide to identify cases in a binary mode 'Yes or No' are being used in a simplistic and uncoordinated way”
2/ #PCR very sensitive

detects #smallest #fragments of virus... by amplifying sample #1,000,000’s of times.

However, a #fragment is #NOT a whole virus capable of replication & infecting

small part of viral structure... #NOT whole virus

#Only #whole #viruses can #infect us”
3/ “... # of #amplification_cycles necessary to reach a 'positive test' is #rarely #reported

A very high # of cycles may [ONLY] #detect fragments [yet] give a #positive result

**BUT #lower # of cycles far more likely to identify infected and #infectious requiring quarantine.**
Read 9 tweets
Daily Bookmarks to GAVNet 09/01/2020 greeneracresvaluenetwork.wordpress.com/2020/09/01/dai…
Reducing transmission of SARS-CoV-2 | Science

science.sciencemag.org/content/368/64…

#transmission #COVID19
China censors Thomas Piketty’s book that touches on nation’s growing inequality | South China Morning Post

scmp.com/economy/china-…

#inequality #Piketty #china
Read 14 tweets
Daily Bookmarks to GAVNet 08/31/2020 greeneracresvaluenetwork.wordpress.com/2020/08/31/dai…
The Power of Communities in Uncertain Times — Part 2 | by Sahana Chattopadhyay | Activate The Future | Medium

medium.com/activate-the-f…

#power #communities #future
Read 7 tweets
1/x Quoting @BarneyCalman,

“...are [they] #getting #positive_test_results from #healthy_people?

...But what is #NOT #reported is #whether a person who has #tested #positive is #symptomatic #or #not

...[was] Pendle's #'surge' in cases due to picking up #asymptomatic_cases?”
2/x con’t
“So why are they #testing people who are #NOT #EVEN #ILL?

In #US, #CDC last week quietly modified its coronavirus testing guidelines to #exclude [#asymptomatics] ...
[saying,]
'We revised the guidance to reflect current evidence and best public health interventions.'
3/x con’t
“ Public health expert Professor
@carlheneghan
, GP, Dir @ Uni of Oxford's Ctr EBM, is sceptical about...#mass_testing of #asymptomatics

One of main #problems is that [#PCR] #test [#detects] #fragments of #viral_RNA...
Read 4 tweets
Here's an extensive #thread on how #BCCI put the bio-secure bubble in place when franchises first landed in #UAE for #IPL2020.

The Board issued a circular underlining dos & don'ts for the tournament & strict protocols to go with it. Below is the circular in detail...

#COVID19
As advised in the Overview of Health and Safety Protocols for #IPL, each team was required to form a Bio Secure Environment and to follow all the #BCCI protocols which will include: A) Testing; B) Health Passport; C) Contact Tracing.
#Testing: Delhi-based VPS Healthcare Group undertook all #Covid testing in UAE. Exclusive Testing room was set up in each Bio-Secure bubble and qualified nurses, wearing full PPE kits collected nasopharyngeal samples from team members.
Read 21 tweets
After 6 months of #lockdown and #lab shutdown I spent a full day 9 am-8 pm in lab doing experiments! New #grad students in #lifesciences: There is always light 💡 and #fluorescent images at the end of the tunnel! Filing a #patent on my #invention from #phd work soon @OrganOnAChip
This is an Organ on a Chip platform that enables mimicking #tissues and #organs in a high throughput manner! The main focus will be towards developing #mucosal organs with tissue resident #immune cells and lining #epithelial cells for #testing #COVID19 treatments #covidvaccines
I recently gave a talk at #oooc2020 organized by @GVNlab at @Columbia. In the talk I demonstrated the #ease of fabrication, #functionality, and #modularity of this platform.
We’re open to #collaborate with interested #researchers! Interested to learn more:
Read 11 tweets
Indian govt is battling economic crisis caused by the #COVID19 pandemic by relying on the banking sector which is already wounded due to rising bad loans./1
The pre-crisis challenges for youth are now amplified since COVID-19 hit. As many as 41 lakh youths in India have lost their #jobs due to the COVID-19 #pandemic, majority of whom worked in farming and construction./2
24 %of the households of students in India have internet access and in urban areas, 42 % of households have access to the internet as compared to 15 %in rural areas, this online education is catering to the needs of a chosen few./3
Read 6 tweets
Streaming now: @michaelmina_lab of @HarvardBiz gives today's SFI Seminar on "#Testing our way out of #COVID19: A bumpy but possible path forward."

facebook.com/santafeinstitu…

Feat. work with Former SFI Postdoc @DanLarremore.

Follow this thread for highlights...
Now may be the best window to squash #COVID19 before flu season begins, but pandemic surveillance—especially in the US—has been a mess.

What are the relative strengths of virus testing vs. serological testing?

@michaelmina_lab speaking at SFI right now:
facebook.com/santafeinstitu… ImageImageImage
"Really baseline testing doesn't give you enough information. If it tells you there is 5% infection in a nursing home it doesn't tell you if the virus is increasing. But serological testing can. These are complementary tools."

@michaelmina_lab at SFI now:
facebook.com/santafeinstitu… Image
Read 10 tweets

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