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Arieh Kovler Profile picture
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24 Jan, 4 tweets, 1 min read
Second Pfizer/BioNTech vaccine shot. Let's do this. Image
Vaccinated! Two shots, 22 days apart. Image
I woke up this morning with, basically, a hangover. That tired, groggy, mildly headachey feeling. Now I'm also feeling a bit achey like mild flu. Both of these are common side effects and usually are gone by the second day, so I'm not worried.
Two days after my second shot: woke up feeling basically back to normal. A little tired, as if I was sick yesterday and am still recovering, but no more aches or flu symptoms. As many others have observed, vaccine side effects go away quickly.

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More from @ariehkovler

Arieh Kovler Profile picture
26 Jan
A little raw and dirty analysis on the basis of limited data follows.
1. Let's assume all the 428k vaccinated people are over 60. They aren't, but most will be and this assumption will tend to conservatism in the analysis.
There are 1,471,000 over-60s in Israel. In the last week, 4,723 of them received their first positive coronavirus test, which is 0.3% of the total cohort. ImageImage
Read 7 tweets
Arieh Kovler Profile picture
25 Jan
Very positive vaccine news: Israeli HMO Maccabi reports just 20 positive coronavirus tests out of 128,000 people who had their second Pfizer shot a week or more ago. None of the 20 were serious cases.
The HMO says most of the 20 were tested due to a known exposure to a confirmed Covid-19 case. Most were over 55. Half had a preexisting condition. None had a fever over 38.5°C. None needed hospitalisation.
Not all 128k were tested, only people with known exposures or symptoms. So the real number is probably a little higher. But most of the 128k will be over 60, because they got vaccinated first. This suggests the vaccine is extremely effective.
Read 7 tweets
Arieh Kovler Profile picture
23 Jan
In this Covid wave, Israel has seen more young pregnant women with no comorbidities hospitalised than before. Of seven serious cases tested so far, six had the British B117 coronavirus variant.

jpost.com/health-science…
This could just be a sampling issue. The B117 variant is something like 30-50% of all cases in Israel now. And perhaps it's more prevalent in ultra-Orthodox communities where the birth rate is high so there are a lot of pregnant women.
The UK has not reported that the B117 variant was more dangerous to pregnant women. As far as I know, no other country has seen this (yet).
Read 5 tweets
Arieh Kovler Profile picture
23 Jan
Congress should immediately subpoena Jeffrey Clark to testify on this matter. The Biden Admin is unlikely to assert Executive Privilege, and attorney-client privilege doesn't apply. If Clark wants to refuse to answer, let him plead the Fifth. nytimes.com/2021/01/22/us/…
Probably a good idea for the Judicial Committee to hear from Rosen, too.
A senior DoJ official, with Trump's backing, wrote a letter from the Acting AG to the Georgia Legislature, falsely claiming that they were investigating fraud and asking them to set aside their election result. I think we should see that draft.
Read 4 tweets
Arieh Kovler Profile picture
22 Jan
In 2008 I actually did sneak into the US Capitol via the tunnels and railway, after a meeting in Dirksen, to see the historical art. But I wasn't taking part in a violent insurrection at the time.
It wasn't completely on purpose. I just wandered off after my meeting, ended up in the tunnels, and found this weird room that turned out to be one of the stops on the train line.
Anyway, I made friends with the guard, and he gave me two different entry passes. He told me I had to switch one for the other once I passed a certain point. I ended up wandering around exploring. It's a really cool building.
Read 5 tweets
Arieh Kovler Profile picture
22 Jan
Ran Balicer explains in more detail the preliminary findings of Israel's Clalit HMO that showed a 33% reduction in positive PCR tests for Sars-CoV-2 among people over-60 14&15 days after the first dose of the Pfizer/BioNTech vaccine.
Key point here: this study suggests *sterilizing immunity* in AT LEAST 33% of over-60s two weeks after the first dose in real clinical practice. People with no virus can't infect others.
In reality, effective sterilizing immunity is probably higher, because PCR is so sensitive it might be picking up vaccinated people with very low viral load.
Read 4 tweets

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