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Vincent Rajkumar Profile picture
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30 Jul, 4 tweets, 2 min read
Barnstable, Massachusetts COVID outbreak:

~70% vaccination rate
469 got COVID, 90% delta variant.

Of the 469:
-346 (74%) fully vaccinated
-274 symptomatic
- 4 hospitalized
- No deaths

cdc.gov/mmwr/volumes/7…
The focus of the story has been that the viral load in vaccinated and unvaccinated was similar. And this was partly the reason for CDC changing mask guidance. Since it raises the possibility that vaccinated people may be able to transmit COVID to others.
But the study does not change current understanding that while breakthroughs can occur with delta, current vaccines protect against severe disease.

We cannot compare to "unvaccinated group" due to confounders. Also note unvaccinated group includes partially vaccinated.
And more here. Updated information. @AlexBMorse

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More from @VincentRK

Vincent Rajkumar Profile picture
30 Jul
COVID vaccines are not perfect. But they are darn good, and keep you alive. Even with delta, alpha, gamma, kappa, lambda, etc.

I'm following Malta (90% vaccinated) and the UK. Look how deaths have stayed low. Couple more weeks to be sure. #GetVaccinated
Malta is almost fully vaccinated. 75% mRNA vaccines.

Of 2060 active cases, 33 are in the hospital, including 2 in ICU. A little over half the hospitalized patients are unvaccinated even though unvaccinated are only a small % of the population.

google.com/amp/s/timesofm…
They must also be hospitalizing on some precautionary basis. Coz 25% of hospitalized are asymptomatic per the report.
Read 4 tweets
Vincent Rajkumar Profile picture
29 Jul
New guidelines for federal workers and contractors:

•Get vaccinated

OR

•Masks +
•Weekly/Twice weekly testing +
•Practice social distancing +
•Restrictions on travel

Pro tip: Vaccines are easy, and will keep you safe and free. reuters.com/article/us-hea…
No one likes mandates. But no one wants to go to the hospital because someone else is not being careful either.

We have seen the mandates roll in, and I'm pretty sure there will be more each day as everyone wants to keep their employees and customers safe.
We have already seen many health care centers, @DeptVetAffairs @Google @Facebook @netflix @washingtonpost and more mandate vaccines.

More will follow. google.com/amp/s/www.wsj.…
Read 6 tweets
Vincent Rajkumar Profile picture
28 Jul
The vaccine mandates. They are coming. @DeptVetAffairs @Google @netflix @washingtonpost
Vaccine mandates are legal. google.com/amp/s/amp.cnn.…
Especially in healthcare, they are particularly important for safety. @ddiamond @washingtonpost
washingtonpost.com/health/2021/07…
Read 4 tweets
Vincent Rajkumar Profile picture
28 Jul
Although CDC revised guidance for masks applies to high COVID incidence areas, here is what I am doing: I am wearing a mask indoors unless I am sure everyone in the place is fully vaccinated, even though I am vaccinated, and not in a high risk area. google.com/amp/s/www.busi…
The reason is delta variant has become the predominant strain here. Over half the public remains not fully vaccinated. delta is very transmissible. I may inadvertently pass on COVID to others who are not vaccinated. The delta variant is also more serious, and so why take a risk?
I support the CDC revised guidance. I view it as the minimum we need to do. Happy to go beyond.
Read 4 tweets
Vincent Rajkumar Profile picture
28 Jul
We forget the FDA would have given EUA if COVID vaccines were only 50% effective. We lucked out with 95% efficacy on mRNA vaccines.

Count your blessings.
Get your vaccines.
As the virus mutates, or as time passes, some breakthrough infections are reported. But do not be hesitant because of that. If you are vaccinated do not be worried because of that. The 90-95% efficacy is holding against severe disease and deaths.

#GetVaccinated ImageImage
See thread on why sometimes breakthrough infections happen in vaccinated people.
Read 4 tweets
Vincent Rajkumar Profile picture
27 Jul
Fact: Most people in the US are not fully vaccinated against COVID.
The COVID virus doesn't give us a break that 15% of the country is not eligible for the vaccines yet. Makes our job that much harder to reach herd immunity.

delta doesn't also seem to give a break for those who had one dose only.

Many countries are overcoming these hurdles.
It's doable. And we have no excuses since we have the best vaccine supply and the best resources.
Read 4 tweets

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