Best news I've had all day.

It's official. Medical Officers of Health have a duty of care as Doctors, and can't hide behind the role as "public officials". They MUST follow the science, not the politicians.

And politicians have to use proper regulations, not just make decrees.
If you or your kids/family got sick from airborne communicable diseases since Feb that could reasonably be attributed to increased infectivity from schools w/o adequate airborne protections...

Now you can do something about it. UCP & School boards are liable. Make them fix it.
Public Health is a collective responsibility.

Access to safe kid's education is a right. Safe workplaces are your right.

Advocate now, file complaints now, HRC filings now. They're uncomfortable losing their govt backing & may be amenable to improvement instead of liability.
#BringBackMasks #COVIDIsAirborne #CovidIsntOver
Test, Trace, Isolate. Transparent reporting. Fresh/Filtered air. Stay home if sick. HEPA filters. #CRBox

Remind them that hospitals already overwhelmed w/ sick kids. And Winter Is Coming.

@MerlinofCanada @ZiadFazel @jvipondmd

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More from @SafetyinNumbrz

Oct 27
🧵 Great exchange w/ @Halmsy on better messaging wrt masks.

Advocating (correctly) for "masks", what we mean is:

"Masks" = Well-fitted, functional N95+ respirators or equivalent, with no gaps & w/o taking breaks indoors in public*. Image shows 4 replies in a timeline. The text of the replies
Surgical masks can approach the efficacy of formal respirators if used w/ a good "mask brace". Filter material of medical grade surgical masks is adequate, but the design leaves gaps around the edges. Brace prevents leaking through gaps around sides.

popularmechanics.com/science/health…
Most cloth masks are NOT GOOD ENOUGH.

To work adequately, they must:
* have medical-grade filter of efficiency similar to N95
* not permit air to slip around edges or bypass the filter (no gaps)

NOTE: most washable masks do not work as well as N95...
Read 31 tweets
Oct 23
Is your cough and sore throat the flu, RSV or COVID?

Wastewater analysis in EDMONTON
COVID = 190
Influenza A = 0.1 (was 0 before last week) B = 0
RSV = 0 (recent peaks ~0.6)

COVID = 1900X flu or RSV

It's probably COVID, even w/ neg. RAT
covid-tracker.chi-csm.ca

#BringBackMasks Chart of wastewater analysi...Chart of wastewater analysi...Wastewater analysis chart f...
But what if you have a negative RAT or PCR test? Doesn't that mean it can't be COVID?

No, it doesn't mean that. Especially early after symptoms emerge, false negative RAT or PCR can be common. PCR had 80% sensitivity on the BEST DAY early in the pandemic, worse at other times.
Read 8 tweets
Oct 1
If you put on your own mask when you see a masked person enter the room:

1) Thank you for trying to be supportive. Truly. It's nice to be cared for & not harassed.

and

2) Let's talk about how airborne transmission works... (I PROMISE this isn't a "mask always" tweet) 🧵1/16 Cute cat w/ a surgical mask over it's mouth and nose.
There's a lot of misinformation and confusion about COVID transmission, and that isn't your fault. It's a complicated history, but here's the upshot:

Some viruses are in big droplets & fall quickly to the ground removing them from the air. Plus, your mask can catch some.
2/16
But much of the virus are in tiny virus aerosols that DON'T fall quickly. They float for hours.

So your unmasked exhalations from the past hours you've been in the room are STILL THERE & still infectious. (Even after you leave the room!!)

They can even move to other rooms.
3/16 Drawing showing different virus "droplet" sizes tr
Read 18 tweets
Sep 30
I'd be very glad if we stopped using the word "hysterical", especially to describe "excessive negative emotion".

It's mysogynist, ableist and usually intellectually dishonest.

🧵 1/9 Enraged woman shouting with wild, unbound, curly hair.  Take
Hysteria means "wandering uterus". It was a diagnosis for women deemed "neurotic" in antiquity-1900s. Incl. misdiagnosed physical illness, claiming they're imagined/faked/mental.

It ONLY applied to women

bc women were less rationale, controlled, intelligent & mature. (/s)
2/9
It was also a way to reinforce the idea that their experiences are less worthy of consideration and belief.

And literally used as justification for locking them away, indefinitely, in asylums. (Or sometimes, treating with vibrators, but that's a WHOLE different thread.)
3/9
Read 9 tweets
Sep 30
New meta-analysis shows vaccination (mostly mRNA vaccines) moderately reduced Long-COVID risk.

I propose those same data also show:

**No, mRNA vaccines do NOT increase risks for symptoms like those of Long-COVID overall. Actual COVID does that.** 🧵1/

mdpi.com/1660-4601/19/1…
Do not reply unless you're ready to treat these data in rigorous, scientific, dispassionate ways. It won't make you or your msg look good, it will just drive traffic to my argument.

But if you *do* have legit, scientifically-rigorous rebuttals or questions, pls give feedback.
Main Argument:

Where vaccination does not affect LC symptoms, lacking vaccination also cannot have a statistically-significant effect.

And where vaccination improves certain outcomes, it cannot simultaneously worsen them.
Read 18 tweets
Sep 28
Holy-moly Trolling tonight!

Scientist provides data that COVID is dangerous. (Ex. it causes blood clots and strokes. ahajournals.org/doi/10.1161/CI…)

Other scientists suggest basic safety precautions. (#BringBackMasks)

Immediately trolls blame the vax & use slurs & ableist language.🧵
It's shocking to me how vitriolic, irrational, ignorant & frankly crap-tastic these people's behavior is.

Most folx here are in societies where even basic precautions have been abandoned. Yet trolls come hunting to vilify & belittle those providing real medical science. Why?
Is it ego preservation? Can they not cope w/ those "sanctimonious" medical experts who know better and act to avoid infecting themselves/others?

Do they fear, deep down, "What if I've been wrong about everything? What if infecting my family by ignoring safety was a bad choice?"
Read 6 tweets

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