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Baltimore City Health Department (BCHD) Profile picture
@BMore_Healthy
Aug 11, 2021 • 5 tweets • 2 min read • Read on X
Another great question.

Coronaviruses are not new, but COVID-19 is, at least for humans.

Human coronaviruses were first identified in the mid-1960s.

Some of them are Common coronaviruses, which humans can handle OK.

But COVID-19 is SO new, we don't do a great job with it.
Common human coronaviruses are:

229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)

None of these are COVID.
Other human coronaviruses are:

MERS-CoV (the beta coronavirus that causes MERS)
SARS-CoV (the beta coronavirus that causes severe acute respiratory syndrome, or SARS)
SARS-CoV-2 (the novel coronavirus that causes coronavirus disease 2019, or COVID-19)
People around the world commonly get infected with human coronaviruses 229E, NL63, OC43, and HKU1.

Sometimes coronaviruses that infect animals can evolve and make people sick and become a new human coronavirus. Three recent examples of this are 2019-nCoV, SARS-CoV, and MERS-CoV.
More on that here: cdc.gov/coronavirus/ty…

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More from @BMore_Healthy

Baltimore City Health Department (BCHD) Profile picture
Aug 21, 2021
Hey.
So.
Let’s talk a bit.

If you love our account for our attitude, great.
Love us for our info, wonderful.
Love ya back.

But please don’t drag other health departments in our mentions. 😬
This work is HARD.

It’s really challenging to give good advice during a continuously changing environment, where the news and data we’re getting is constantly shifting.

And a lot of these health departments are threadbare, running on budgets that are minuscule.
The Baltimore City Health Department is fortunate.

Not only as the oldest Health Department in the country, but under really amazing leadership from @TheOfficialDocD and the support of @MayorBMScott, and the army of doctors, and health care workers, and scientists behind us.
Read 9 tweets
Baltimore City Health Department (BCHD) Profile picture
Aug 11, 2021
Both great questions!

The World Health Organization recognizes 24 variants of Measles and there are four predominant Measles genotypes currently circulating worldwide: D8, B3, H1 and D4.
More on that here: ncbi.nlm.nih.gov/pmc/articles/P…
In terms of how long the vaccines last, on 1 April, Pfizer and BioNTech confirmed that immunity from their RNA vaccine is still going strong (91.3% effective) six months after the second dose.
Read 7 tweets
Baltimore City Health Department (BCHD) Profile picture
Aug 5, 2021
So what the FAQ is up with Delta?

It's new.
It's scary.
But we're here to break it down.

🧵 Cartoon image of the Delta ...
Delta is a Variant.

If COVID-19 spreads enough, it mutates.

Some of the mutations are more dangerous than others.

Some "Variants of Concern" (according to the @CDCgov) include
Α – Alpha
β – Beta
Γ – Gamma and
Δ – Delta

(these are Greek letters, just used to tell them apart) Cartoon images of Alpha, Be...
"Are variants normal?"

Yep. All viruses mutate and create variants...
unless we eliminate them.

And yes, viruses can be eliminated. Cartoon image of Delta, afr...
Read 10 tweets
Baltimore City Health Department (BCHD) Profile picture
Jun 24, 2021
Charlie Chaplin did it better.
So, we joke, but this was a real, and terrible thing.
And yes, it was our doing, and we need to talk about it.
In 1899, Baltimore City Health Department Commissioner C. Hampson Jones, led racist efforts that targeted forced smallpox vaccinations of Black, Jewish, and immigrant communities in Baltimore.
Read 18 tweets
Baltimore City Health Department (BCHD) Profile picture
Dec 9, 2020
We've received a lot of questions about the new Executive Orders. We will be issuing more guidance ahead of Friday at 5pm, but many have asked one particular question "Why close indoor and outdoor dining, but not casinos, gyms, and malls?"- A thread #coronavirusbalt
1)First-our COVID-19 case data tells us intervention is required. In July, we were concerned with the rise in cases when our 7-day average was 146 new cases per day and we re-implemented “Phase 1” restrictions.
2) Yesterday, our average was 223 new cases per day.
Read 23 tweets

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