The study described 👇underestimates in-school spread.

1. No universal testing of students or staff. (🧵 below)

2. Tracing guidelines are overly limited by close-contact definitions that in-school cases are missed. (🧵 below)

Viral spread is happening in schools. https://twitter.com/drsanjaygupta/status/1358977172740984835
This 🧵 walks through a study in pre-print.

Key findings:

1. Without universal testing of students & staff, most cases of covid walking into schools will be missed.

2. Testing is a critical part of mitigation

3. Spread happens in school - esp at lunch. https://twitter.com/Epi_D_Nique/status/1355229049262665728?s=20
This 🧵 walks through findings from a study of NFL facilities.

Key findings:

1. Covid spreads quickly (<6 mins contact + distance)

2. Eating/drinking are major transmission times

3. Contact tracing based on 15 mins / 6ft misses transmissions https://twitter.com/Theresa_Chapple/status/1355193117348130818?s=20
Critically important:

All of these studies are pretty close to best-case scenarios because extensive mitigation strategies were introduced & enforced.

HOWEVER.

Conditions on the ground-ie in actual public schools-varies drastically. https://twitter.com/Epi_D_Nique/status/1355268530640482305?s=20
Which is to say:

Providing excellent education, social learning, and mental health resources to children is critical.

But there's no magic shield that lets schools open without risk to students, teachers, staff, their families, and the broader community.
I recognize that children are having a hard time, parents are stressed to 11, women's careers are being set back drastically, and everyone needs some normalcy.

Things need to change.

But rushing schools open isn't the answer.

Especially w/ high transmission & new variants.
The conversation we need to be having has to be around community spread and how we get that down FIRST.

So ask your politicians: why is indoor dining being expanded or opened while Covid spreads like wildfire?

Where are the resources for schools, incl. virtual school?
When schools are opened, how will cases coming into schools be monitored & isolated?

What criteria will be used for contact tracing in schools & what resources are available?

What level of risk to people in school & their vulnerable family members is acceptable? What isn't?
People making decisions about schools need reliable data.

They need to admit that there ARE risks.

Then let's talk about what our shared goals are & how we move towards those.

Maybe in person is the answer, maybe it's not.

But let's not pretend it's safe bc we want it to be.
Addendum

I'll stick a few more examples of how easily covid can spread.

Important to note that previous studies were done prior to known circulation of the more infectious variants. With a strain that transmits even more easily, mitigation that worked before won't be enough.
Another example of brief contact which resulted in a covid infection. https://twitter.com/AnneWheaton/status/1358855796809900034?s=20
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