I am with @kprather88 here. Really vexed by what @CDCDirector and @CDCgov have done here. I mean, I get the general idea of trying to return to normal and encourage vaccination. But here are some thoughts for why I am still a bit vexed.
1) The vaccines are not fully effective. Therefore, some people who are vaccinated can still get sick, and die. And for some of the vaccines, the percentage of people protected is not insanely high.
2) Some vaccinated people can also still carry and transmit the virus.
3) Many people have still not had a chance to be vaccinated. Therefore, given #2 above, by saying vaccinated people don't need masks, the transmission rate could go up.
4) Many people followed the government recommendations to get some of the less effective vaccines. Given #2 above, this means they will be less protected.
5) There is a big issue with how long the vaccines effectiveness lasts. The CDC guidance basically seems to be saying there is not issue with this and that regardless of when you got vaccinated, all is good.
6) There is another issue with variants. There are many indications that some of the vaccines are less effective against some of the variants. This guidance seems to ignore that.
7) And an enormous issue, as brought up by 1000000s of people is, now we will almost certainly see many people lying about vaccine status in order to justify not wearing masks. This could be very problematic.
Fortunately, some places are already saying they will not fully follow this guidance
Here is a useful other thread on the topic from @meganranney
Note - the CDC has now released some additional information relating to their revised guidance - see story about this here cnn.com/2021/05/14/hea…
The MMWR report on this new data is here cdc.gov/mmwr/volumes/7… - posted today (as an aside it would certainly have been better to have shared this with people before not after their announcement)
The study is certainly useful but does have some limitations - they list four in the paper Image
But there is a fifth I would like to know more about - the study was done between Jan and March 2021 in the US - and this covers the time when large transitions happened in the major variants circulating in the US
I could not find anything in the paper relating to variants ...
See this too - I agree with those who express concern about lack of data on transmission by those J & J vaccinated and also lack of data on variants and infection / transmission
In particular see quotes from @florian_krammer which are spot on Image
And fortunately Yolo County, where I live, is not following CDC yet Yolo County still requiring face masks for all residents dailydemocrat.com/2021/05/14/yol…
And New Jersey keeping mask mandates for indoors in place
And now, thankfully, even the @CDCgov is not endorsing the full recommendations from the @CDCgov - nytimes.com/2021/05/15/us/…
And here is @drsanjaygupta critiquing the CDC rollout of new guidance cnn.com/2021/05/16/med…
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More from @phylogenomics

17 May
In 2019, some details of Bill Gates' interactions came out in a news story. His spokesperson offered a minimalistic "apology" of sorts for this. And even with the details know at the time, the "apology" was completely insufficient 1/n
Now we find out Gates' interactions with Epstein were much much more extensive that reported in 2019. 2/n
So, basically, Gates' lied to everyone and tried to gloss over his connections with his minimalistic, non detailed "apology." 3/n
Read 8 tweets
16 May
According to @nytimes tracker, 604 people in USA died from #COVID19 yesterday. Yes, this is lower/day than it has been. But still, that would be ~220,000 deaths over a year. Don't get complacent. We still have work to do in the US. And lots more elsewhere. nytimes.com/interactive/20…
And I note, most analyses suggest the counts we get from trackers like this are undercounts npr.org/sections/coron…
And thus, if the numbers stay like this, #COVID19 would still be the third leading cause of death in the USA cdc.gov/nchs/fastats/l… . Certainly numbers are likely to keep going down, but they are still scarily high
Read 7 tweets
16 May
Went for a walk this AM at the @ucdavis Riparian Preserve with @MicrobialFuture. Here are some of the better pics I got jonathaneisen.smugmug.com/2021/2021-5-16… 1/n
These included a bunch of house wrens collecting various bugs - e.g., see jonathaneisen.smugmug.com/2021/2021-5-16… 2/n
A few nuthatches wandering their ways up and down trees jonathaneisen.smugmug.com/2021/2021-5-16… 3/n
Read 16 tweets
7 May
So I just got through reading this article on origins of #COVID19 and have one aspect I want to discuss.

The origin of COVID: Did people or nature open Pandora’s box at Wuhan? - Bulletin of the Atomic Scientists thebulletin.org/2021/05/the-or… via @BulletinAtomic 1/n
First, I want to say, as I have said many times before, that I think working on the origins and trying to figure out if it came from a lab in some way or from "nature" is an important research area and I think the answer is still not resolved 2/n
And there are a lot of pieces to the story that are still muddled and unclear and need more work 3/n
Read 19 tweets
19 Apr
It was quite warm and sunny today around #DavisCA and alas I did not get out in the AM but managed to head out to #YoloBypass in the early PM. I went on a short walk to a spot I knew would be relatively shady. And along the way saw a few nice things like: 1/n
And then I got to this semi-shady spot with a little water hole and waited. And I was rewarded. First, with an otter swimming by. 2/n
And then what I think was a muskrat waddled by (not 100% sure about the ID). 3/n
Read 19 tweets

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