Should you still wear a #mask, even if you're vaxxed?

Answer isn't just about science, but also your risk tolerance & philosophy of humans. Nice overview by @olgakhazan w/ (contrasting) comments below by Profs @linseymarr @cmyeaton @j_g_allen @ashishkjha
theatlantic.com/politics/archi…
"According to Rivers, the vaccinated should keep masking indoors in these places until children under the age of 12 can get vaccinated. 'I don’t think we should give up on mitigation until we can offer kids the same protection afforded to everyone else,' says @cmyeaton."
"Though your heart might not break for your local anti-vaccine conspiracy theorists, 2 - 4% of American adults are immunocompromised, which means the COVID-19 vaccines do not work as well for them. By masking, you are ... also protecting kids & the immunocompromised." @olgakhazan
“For example, I am wearing a mask at the grocery store again, but I am not wearing one at work, where I know almost everyone is vaccinated,” says @linseymarr ...
... "@linseymarr says she mostly does this to minimize the risk to herself and her family, because although it’s rare for the coronavirus to 'break through' and infect a vaccinated person, it can happen, and it’s more likely to happen during a large COVID-19 outbreak."
“'I agree with what the CDC says: If you’re vaccinated, you don’t need to wear a mask,' says @j_g_allen. Indoor masking may be reasonable in areas with large outbreaks, but a top-down mask mandate for all of America no longer makes sense, he says."
"@j_g_allen worries that encouraging vaccinated people to keep masking undermines confidence in the vaccines. You can’t claim you 'believe in science' unless you also believe in the science of vaccine efficacy."

[No question a key piece is still for everyone to #VaxUp!]
"If mask mandates return, @ashishkjha says, cases will go back up again when they end. 'This is not a long-term solution,' he says. 'The long-term solution is to get more people vaccinated.'" #VaxUp

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More from @HuffmanLabDU

22 Jul
I keep thinking about articles discussing importance of being both #VaxxedAndMasked. Some comments via 🧵. (1/x)

Data shows:
✔️ Vax safe & wildly effective
✔️ No vax 100% (think raincoat or sunscreen)
✔️ Masks very effective
✔️ Both help indiv & public health
✔️ Delta is a beast
2/ Through hard work we know:
✔️ COVID could spread by several routes
✔️ Airborne aerosols likely to be a critically important piece of that spread
✔️ We can reduce w/ masks, distancing, reducing #SharedAir
✔️ Vax reduces number & severity of infections
thelancet.com/journals/lance…
3/ So if the only factor (indiv or collectively) is to provide the best protection, the answer is clearly to #VaxUp ASAP & to still #MaskUp in crowds or indoors w/ anyone who is unvaxxed. Delta is dangerous & many not yet protected.
Read 17 tweets
21 Jul
Why should vaccinated people wear masks? Seven points outlined by @Bob_Wachter in article by @amyjeangraff & in 🧵 with his reasoning below.

I'm still very careful about taking off my #N95 mask in mixed settings & support #mask mandates for schools.
sfgate.com/bayarea/articl…
1) The rate of breakthrough infections is small but very real.
2) The rate of breakthrough infections with delta is likely somewhat higher than with the original virus; this number is still being debated.
3) Delta might be more likely to lead to a serious infection than the original virus.
4) Though the chances of long COVID with a breakthrough infection seem to be low, there is no rigorous evidence on this & we certainly have seen mild primary infections cause prolonged symptoms.
Read 6 tweets
20 Jul
Jeff Bezos (deflecting the absurdity of the billionaire space competition) gives unrestricted $100 million each to @VanJones68 & @chefjoseandres.

$200M is is like 0.001% of the Bezos worth, so a great value.

But watch the acceptance speech from VJ below.
cnn.com/2021/07/20/med…
This is why I love @VanJones68:

"Can you imagine grassroots folks from Appalachia, from the hood, Native American reservations, having enough money to be able to connect with the geniuses that have disrupted ..."
"... the space industry, disrupted taxis and hotels and bookstores– to start disrupting poverty, to start disrupting pollution, to start disrupting the $90B prison industry together."

(cont'd)
Read 4 tweets
16 Jul
Really important for students, parents, & educators to understand current COVID risks -- especially for all unvaxxed individuals (incl. kids <12 yrs).

#Masks, #ventilation *still* critical components.

Interview w/ @DrLeanaWen & thread w/ some quotes 👇.
us.cnn.com/2021/07/15/hea…
"Here's where the layered mitigation strategy is so important. Think of it like wearing layers. If it's not very cold outside, having 1 or 2 layers of protection is enough. If it's very cold, you need multiple layers. If you remove one layer, you could replace it with another"
"... other mitigation measures, too, such as an investment in improved #ventilation using federal Covid relief funds & keeping students at home when they are having any possible symptoms of Covid-19. All ... added together will substantially reduce transmission risk in schools."
Read 9 tweets
14 Jul
Story by @DenverChannel on impacts of recent wildfire smoke in #Denver. A few tips 👇. (1/4)

My only time for the interview was during baseball practice with three kids at the park! Amused & glad @CB_Cotton found a creative way to use the baseball shots!
thedenverchannel.com/news/local-new…
2/ But there are ways to reduce your exposure to wildfire smoke. My new go-to link is here by @etgall: elliott-gall.medium.com/wildfires-and-….

Tight-fitting, HQ masks & room filters (HEPA or DIY) can help a lot. I have several DIY fans running in my house right now:
3/ Also, to get an idea for how bad the smoke from #wildfires will be in your area, there are some great tools available online for free. My favorite is the AirNow Smoke/Fire Map: fire.airnow.gov. Other tools also below.
Read 4 tweets
2 Jul
Great new study on #HEPA air cleaners by Lindsley et al. out today via @CDCMMWR: masks reduced aerosol by 72%, HEPA by 65%, together by 90%.

Conclusions are consistent with messages for months, but important that #CDC amplifying this strategy.
Short 🧵
cdc.gov/mmwr/volumes/7…
2/ "The use of masks without air cleaners reduced the aerosol exposure of the receivers by 72%, and the use of air cleaners without masks reduced the exposure by up to 65%. When used together, the HEPA air cleaners and masks reduced exposure to respiratory aerosols by up to 90%."
3/ "These findings suggest that the use of portable HEPA air cleaners and universal masking can each reduce exposure to simulated SARS-CoV-2 aerosols in indoor environments, with larger reductions occurring when air cleaners and masking are used together."
cdc.gov/mmwr/volumes/7…
Read 10 tweets

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