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Dominique Heinke Profile picture
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17 May, 5 tweets, 2 min read
My fan-fiction CDC statement:

Dear America,

We now have enough data to say that the vaccines are highly effective at preventing transmission as well as severe outcomes. This is great news!

Most people who are fully vaccinated can feel confident their level of protection.

1/
This means that people with fully functioning immune systems who are not on immunosuppressant drugs have strong protection against getting Covid-19 in nearly all situations.

This includes when you are outdoors or indoors with unvaccinated people.

However...
Although infection rates are dropping quickly in many places, thanks to these wonderful vaccines, Covid is still spreading to too many people and we do not have enough people vaccinated to gain good control.

We also do not have a vaccine verification program.

Therefore...
We ask that fully vaccinated people continue to wear a mask when in public indoor places for a while longer.

Your cooperation will help keep our communities safe while we continue to provide vaccines to those communities our vaccine programs have left behind.

Although...
We know this has been a difficult year. We are all looking forward to ditching our masks and getting back to the activities and people we love.

Your help now will let us reach that goal faster. Your help now will save lives.

With love,

The CDC

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More from @Epi_D_Nique

Dominique Heinke Profile picture
19 Mar
@CarolineSeydel @tarahaelle I'll see if I can explain this via tweet!

As adults are vaccinated, they will be less likely to be infected, even if exposed to covid. As more adults become immune, the population who is still susceptible to infection will be mostly kids.
@CarolineSeydel @tarahaelle So, for example, if only 10% of infections are in 5-14 range, as adults become vaccinated this group is more likely to make up an increasing proportion of cases.

This is true even if their infection rate was constant bc there'd be less infected adults.
@CarolineSeydel @tarahaelle But, as more schools go in-person kids will have more contact with each other, both in classrooms and in sports, play dates, etc. so the infection rate is also likely to increase in this group.

And again, even if the chance of each interaction still had the same transmission...
Read 12 tweets
Dominique Heinke Profile picture
19 Mar
On the subject of vacations:

It is possible (*for some folks*) to vacation safely during the pandemic, even with others!

The key is not to pretend that children are magically protected, but to follow reasonable precautions.

#EpiTwitter: How would you behave to vacation safely?
So, say for me, an unvaccinated adult potentially at risk for complications from covid, with an adult partner (low risk) and no children:

We are likely to drive to a destination where we can stay in our own space - say a cabin or vacation rental. Others would stay separate.
Say my friends join (2 vaccinated adults and 2 low-risk kids <10).

They would have their own space and we would plan our activities around outdoor spaces - hiking, beach, etc. Meals together would be outdoor & spaced, masks in all indoor spaces together (minimize).
Read 6 tweets
Dominique Heinke Profile picture
29 Jan
This study adds some new information on the spread of Covid in schools.

Let's walk through this and see what we can learn!

Thread!
The study follows the experience of two K-12 independent schools through the fall of 2020.

School A (Southern US): 2299 students & staff
School B (Mid-Atlantic): 1200 students & staff

The schools had similar plans re: opening, closing, mitigation
Here's where this study really stands out:

Universal Testing.

Regular testing of students & staff regardless of symptoms!

Testing was not as frequent as would be ideal, especially in the beginning. BUT this helps us glimpse how many infections are missed w/o this testing.
Read 37 tweets
Dominique Heinke Profile picture
2 Nov 20
When we are thinking about the best learning environment for kids *right now* it seems to me a mistake to use pre-Covid performance as the comparison.

That’s not possible in most places so the comparison it isn’t helping us answer the relevant question:

What works best NOW? 1/
Partially this is bc MANY things have changed with the pandemic.

Who among us isn’t more stressed?

Kids now live under the risk of a deadly disease.

Some have lost family.

Parents have lost jobs.

All have lost freedom and social interaction.

KIDS are different now.

2/
It is absolutely expected that test performance and learning will be lower in these circumstances - even with ideal instruction.

So when we compare Covid to pre-Covid it’s not just in-school vs at home that is being tested but:

in school - Covid vs out of school + Covid. 3/
Read 7 tweets
Dominique Heinke Profile picture
10 Oct 20
A few thoughts on this...

(Other folks who know much more than me should definitely chime in! Looking at you @Theresa_Chapple @JasonSalemi @COVKIDProject @EpiEllie!)

Mini thread. 1/n
I’m all for a data-driven approach & I definitely applaud the work needed to pull this data together!

But.

Epidemics & outbreaks are local.

To me, pooling data across all states-or even within a state-is asking the wrong question.

Especially since testing in kids is low. 2/ Image
One thing to keep in mind is that schools within states have different policies.

The data we see are not that of opening all schools - some are fully virtual, some partly, some not at all.

Not all kids in these analyses are in school.

This will underestimate any effect. 3/ Image
Read 13 tweets
Dominique Heinke Profile picture
21 Jul 20
This is based on two pre-print studies (links in thread) one in Ireland and one in Denmark.

A few cautions are warranted in interpreting these studies. I won't cover the papers completely, just a few points 👇🏻
First, these are pretty small studies for the subject matter.

Ex: The Irish study covers only 1381 births in the window they studied (Jan - April). A similar number of births in the prior year led to 8 extremely low birth weight infants and 12 very lbw infants vs 0 & 3 this yr.
While prior yrs consistently showed more births in those categories than this yr, it's a handful off from normal variation.

medrxiv.org/content/10.110…
Read 7 tweets

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