Andy Kelly 💙 Profile picture
May 18, 2020 4 tweets 1 min read Read on X
I'd wonder if any journalists will ask #DowningStreetBriefing what the evidence is that Apple Map requests is in any way indicative of *actual journeys taken*? Because without that these are meaningless. Image
From the nots in the dataset
"This data only includes journeys searched for using Apple Maps, and therefore does not include users searching through alternative journey planners."
"In many countries relative volume has increased since January 13th, consistent with normal, seasonal usage of Apple Maps."
"Insights are calculated based on data from a subset of users. As with all samples, this may or may not represent the exact behavior of a wider population and the results should be interpreted with caution"

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More from @Andy_eprr

Oct 8, 2023
#OTD 1952 three trains crashed at Harrow and Wealdstone station in Middlesex. 112 people were killed and 340 injured. It remains the worst peacetime rail accident in British history. But I want to talk about Lt Abbie Sweetwine USAF
#HistNursing #BlackHistoryMonth Image of devastation in a station with train crash and wreckage
A nurse for 10 years at that point, she was part of 494th Medical Group, some of whose members were on one of the trains. They contacted their base and an emergency response team was sent, all trained in battlefield medicine, which included 7 doctors and 1 nurse, Lt Sweetwine. Lt Abbie Sweetwine
Seeing that this was more akin to a battlefield than a normal accident, they set up to do what they were trained to do – triage the casualties. This was their first time this had been done in a civilian setting. As part of this, Lt Sweetwine did something simple, but vital. Lt Sweetwine and three other military personnel treating the injured with intravenous fluids. Image taken from Newsreel at the time.
Read 6 tweets
Oct 2, 2020
From an article by @amy__orton I've finally been reading the report by Dame Mary Ney on lockdown in Leicester & environs. Despite its low profile, it's well worth a read.
assets.publishing.service.gov.uk/government/upl…

Points that stood out for me:
Glad (but not surprised) to see a positive review of SCG and associated tactical / operational cell structures, and
"a competent LRF structure" (bravo @CCLeicsPolice / @DCCLeicsPolice) as well as Outbreak Management Plans with addition of Political Oversight Board - great idea
Also, locating Incident Management (PHE Director + two DsPH) within the local governance arrangements of the SCG leading to "a more focused tactical plan which was widely owned and resulted in scaling up of capacity at pace"
Read 10 tweets
May 21, 2020
Deal agreed for antibody virus tests on NHS. A thread.
OK. Govt says 250k people tested positive. Let's say that's out by a factor of three, and 750k have had the disease. That's 1.12%. So in a random sample of 10k, 112 should test positive, 9888 negative
bbc.co.uk/news/uk-527585…
2/ The Roche antibody test being talked about is said to have a specificity (ability of a test to correctly classify an individual as disease-free) of 99.8% and a sensitivity (ability of a test to correctly classify an individual as ′diseased′) of 100%.
It would correctly identify all these people. But it would identify 20 of the people who didn't have antibodies as having them. Giving an overall positive test number of 132
Read 4 tweets

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