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Michael A Osborne Profile picture
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Feb 4 • 3 tweets • 2 min read
Why might someone not say they have #LongCovid?

- Their doctor said they should have recovered by now
- Their friend laughed at them
- It's fine now they've gone half-time at work
- They think they can't get it because they're vaccinated
- Their spouse doesn't believe in it
Why might someone not say they have #LongCovid?

- They think it's probably just getting old
- They read online that Long Covid is just anxiety
- They think they can't get it because they eat Keto
- You are not going to be able to help anyway
- They don't want to lose their job
I really hope that researchers tackling why so many are retiring early or how long it takes to recover from covid are considering the many reasons someone may not say that they have #LongCovid

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More from @maosbot

Michael A Osborne Profile picture
Feb 5
I may be the only person alive holding these three beliefs simultaneously:

3. Covid is actually very bad
2. AI poses a potentially-existential threat
1. Random numbers are a bad idea for computation
My beliefs on random (including pseudo-random) numbers are spelt out in our book: probabilistic-numerics.org/textbooks/
For me, (pseudo-) random numbers are useful only in being unpredictable by humans—hence useful for fairness, cryptography etc
Read 4 tweets
Michael A Osborne Profile picture
Oct 14, 2022
Most are not OK with eating a raw egg because of the 1 in 20,000 risk of Salmonella—which causes diarrhoea & vomiting.

Most seem OK with getting covid (when triply-vaccinated) despite the **1 in 20** risk of #LongCovid—which causes diarrhoea, vomiting, BRAIN DAMAGE & much more
The 1 in 20 risk is derived from @ONS data.
Scientific evidence of what covid can do to your brain
Read 4 tweets
Michael A Osborne Profile picture
Jun 30, 2022
What is Probabilistic Numerics (PN)? To illustrate, take one core use case of PN— computing integrals. Most integrals are intractable (life is hard), so we must often integrate numerically. Sadly, numerical integrators are unreliable & computationally expensive.

PN can help! 🧵
Consider

F = ∫_{-3}^{3} f(x) dx
f(x) = exp(-(sin 3x)^2 - x^2)

The integrand f(x) here is simple—~20 characters, only atomic functions, can be evaluated in nanoseconds. However—the integral F is intractable! Let's try to calculate F numerically using PN. Image
The central idea of Probabilistic Numerics is to treat a numerical method as a *learning machine*. What about when the numerical method is an integrator? Well, a learning machine

• receives data,

• predicts and then

• takes actions.
Read 18 tweets
Michael A Osborne Profile picture
Oct 19, 2021
When I got #LongCovid in March 2020, I was 38 and healthy. If you are anything like I was then, it is hard to understand how bad Long Covid is. I think that we all have an instinct to just… look away. But, please, it is important that you look. 1/15
My own low-points: early on, I collapsed, shaking, and was taken to A&E in an ambulance. A year later, I did not have the energy to leave the house. Formerly, I was a marathon runner, but I brought on a bad relapse with a 700m walk. Many people have it much, much, worse. 2/
Long Covid feels like a hex. Your body and brain are wrong, in different ways on different days, unpredictable and unsettling. On the good days, you doubt yourself; on the bad, you doubt everything. The illness is capricious, boundless, wicked. 3/
Read 17 tweets
Michael A Osborne Profile picture
Feb 20, 2021
I have now been sick with #longcovid for almost a year—below, some reflections on my convalescence. (1/10)
While remaining mostly functional, in many ways, I'm more sick in 2021 than I was in 2020. Two weeks ago, when I last felt well enough to walk outside, I managed only 0.7km before the post-exertional malaise came on: brain fog, fatigue, pain in my neck and arm. (2/10)
I was formerly a (somewhat) competitive distance runner. It's not that I'm ignorant of how to push my body, nor the consequences. During my first marathon, I pushed through hypoglycaemia, black and white vision, before having a seizure just over the finish line. (3/10)
Read 10 tweets
Michael A Osborne Profile picture
Nov 8, 2020
Long COVID is nasty, but it is also really *weird*. (1/6)
1. My eyesight had always been fine, but became progressively worse after falling ill. Everything looked blurry. It got to the point where I maxed out the text size on all my devices. Then: over the course of two weeks, it: just got better! (2/6)
2. When I'm particularly fatigued, if I attend to a particular place in my head, I feel like I'm floating. Anywhere else—my chin, my fingers, my calves—and I sink. What the heck is happening? (3/6)
Read 6 tweets

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