From a celestial perspective, the darkest days of the year are behind us & we can look forward to more sunlight each day. Let's do everything we can to put the darkest days of COVID-19 behind us as well. 1/n Image
What we do for the last few days of 2020 (good riddance!) will determine what 2021 holds in store. It’s especially important to double-down on CoV-19 prevention now, when the virus has the advantage as we spend more time indoors & environmental conditions favor transmission. 2/n
Our hospitals are strained. New variants of the virus have been identified in other countries that seem to spread more easily and may appear here as well. But the basic COVID-19 prevention steps are just effective against all COVID-19 viruses. 3/n
With more vaccines on the way, over time more of us will be able to avoid CoV-19 infections & serious illnesses resulting in hospitalizations, deaths & cases of “long-COVID." So let’s do everything we can to make sure that each of us stays well until we can be vaccinated. 4/n
Not spreading COVID-19 to friends, families, loved ones, co-workers & neighbors, is the best gift we can give this holiday season. Remember CoV-19 spreads from people who look & feel well before they realize they're infected! To stop the spread, here's a review of the basics:
5/n
1) Not a good time to travel! COVID-19 rates are skyrocketing across the US and elsewhere and the risk is high to travelers & those they come in contact with. If you must travel, follow this guidance: cdc.gov/coronavirus/20…
6/n
2) Limit indoor activities & indoor contact with others as much as possible. That’s painfully hard to do during the holidays, but it shows love, respect & that we care for the health of others by keeping everyone as safe as possible. It won't be like this next year. 7/n
3) Get outdoors as much as possible for exercise & mental health! If you must gather indoors with others, know the risks & take steps to decrease them. cdc.gov/coronavirus/20…
8/n
4) Wear a well-made, snug-fitting face mask when around others indoors & with close contact outdoors. Keep indoor contacts brief & distanced - further away is better. Risk is low but not zero outdoors. Ventilate! 9/n
5) Remember the virus spreads through the air & can build up indoors over time – think of it like cigarette smoke or perfume. Avoid crowded indoor spaces.
english.elpais.com/society/2020-1…
10/n
6) Improving indoor ventilation is important! Outdoors is safest, but opening windows & doors (& portable air purifiers if available) decreases the risk inside. Space out as much as possible & limit the time spent together as much as possible. cdc.gov/coronavirus/20…
11/n
7) Continue to wash/sanitize hands often, avoid touching face.

8) Keep in touch with friends & family by phone, virtually & with outdoor activities.
12/n
Thank you to everyone for all you do to protect one another from COVID-19, especially the most vulnerable among us. This pandemic will pass & we want as many of us as possible to be alive & well when it does. Wishing all a peaceful & healthy holiday season & new year.
13/n

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More from @DocJeffD

9 Dec
FDA will review data for authorizing the 1st vaccine to prevent COVID-19 tomorrow. The vaccine is made with an exciting new technology, mRNA. I'm sharing some information from @CDCgov about mRNA vaccines & how we got here so quickly without compromising effectiveness & safety. 1/
What is mRNA? It's a "molecular blueprint" for a cell to make proteins. In this case, mRNA instructs our own cells where the vaccine is injected to make a protein found on the surface of the SARS-CoV-2 virus. Our immune system then develops a protective response against it. 2/
In contrast, most vaccines use weakened or inactivated versions or components of a virus or bacteria to stimulate the body’s immune response. Weakened live virus vaccines like MMR & varicella work by replicating in our cells using the vaccine virus' mRNA. 3/
Read 10 tweets
11 Nov
Significant update from CDC states mask use protects not only others but the wearer: "Masks also help reduce inhalation of these droplets by the wearer (“filtration for personal protection”)." 1/n

Coronavirus Disease 2019 (COVID-19) cdc.gov/coronavirus/20… via @CDCgov
"The community benefit of masking for SARS-CoV-2 control is due to the combination of these effects; individual prevention benefit increases with increasing numbers of people using masks consistently and correctly." 2/2
Masks should be well made & fit well (snug w/out gaps) "Multiple layers of cloth with higher thread counts have demonstrated superior performance compared to single layers of cloth with lower thread counts, in some cases filtering nearly 50% of fine particles less than 1 micron."
Read 4 tweets
11 Nov
I'm worried about the direction our COIVD-19 outbreak is heading and the increasing impact on the health of our community, our healthcare system and our economy. COVID-19 is a viral wildfire, and we are the fuel. kingcounty.gov/depts/health/c…
1/n
The pandemic fatigue that we’re all experiencing is real. I’m certainly feeling it and I want this outbreak to end yesterday. I also understand that it’s hard to make sacrifices when things may seem OK in your own personal circles. 2/n
Everywhere we gather, especially indoors – at work or socially, in groups for any purpose – recreation, worship, dining, social event or party – poses a risk for spreading COVID-19 = stepped up precautions are needed. Let’s not throw more human logs on the fire. 3/n
Read 9 tweets
15 Jul
@CT_Bergstrom @CDCgov A few quick thoughts: In an ideal world, testing everyone at colleges & universities might make sense (depending whether the result lead to meaningful actions that decrease disease and if frequently enough...@DrTomFrieden 1/n
@CT_Bergstrom @CDCgov @DrTomFrieden 2/n...since one-time screening will miss both incubating and subsequent infections, and if testing capacity is adequate. In the real word, is screening millions of US college students possible currently? Do we rescreen after breaks?
@CT_Bergstrom @CDCgov @DrTomFrieden 3/n What level of community transmission makes this unlikely to provide significant benefit? Most communities across the US currently don't have enough testing capacity to meet ongoing community disease control needs.
Read 7 tweets
23 May
What can you do to keep COVID-19 cases as low as possible & stay healthy even if your community is "getting back to business?"
- Remember COVID-19 can spread BEFORE symptoms appear.
- Continue to avoid non-essential close contact with others to the extent possible.
1/n
- Maintain physical distance when out of the home & limit the size of gatherings.
- Understand that poorly-ventilated, enclosed spaces are higher risk than well-ventilated or outdoor spaces.
2/n
- Longer contact with others is higher risk than shorter contact, even when distancing is possible.
- Contact with more people is higher risk than with few people.
- Avoid contact with ill people.
- Wear a cloth mask or face covering in public.
3/n
Read 5 tweets

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