Side of fries? 🍟 Yes!
Vaccine side effects? 💉 Pass!
Luckily, neither last long.

Keep reading to learn why doctors are confident in the safety of the COVID-19 vaccines, even long term.

Refs at the end!

🧵 [1/12]

#ScienceUpFirst Concerned about long-term side effects of the COVID-19 vacci
Medications can have long-term effects, but vaccines work differently.

Medication is often taken daily for years.

Vaccines are given infrequently. For COVID-19, this means 1 or 2 doses, and then possible future boosters.

🧵 [2/12]

#ScienceUpFirst
If you take certain medications every day, side effects may occur over time.

Vaccine ingredients don’t stick around your body. They drop in, chat with your immune system, and then disappear. We’re talking minutes to hours (3)!

🧵 [3/12]

#ScienceUpFirst
Most vaccine side effects come from your immune response, not the vax ingredients. These occur within the first 8 weeks (4).

That’s why regulators asked the companies to provide 8 weeks of safety data after the last dose of the COVID-19 vaccines.

🧵 [4/12]

#ScienceUpFirst
The way our immune system works makes long-term side effects unlikely.

BUT

Catching SARS-CoV-2 increases your risk of getting long- term health problems. Getting vaccinated is the best way to prevent long-term effects!

🧵 [5/12]

#ScienceUpFirst
Misinformers love to spread fear and doubt, calling back to tragedies like thalidomide.

But these vaccines are different, and they’ve undergone more scrutiny than pretty much any drug… ever!

🧵 [6/12]

#ScienceUpFirst
Health Canada sped up the review process for vaccines *without* compromising the quality. So, the opposite of what happens when you cram for a test. Health Canada? Built different.

Only safe, effective & good-quality vaccines are authorized in Canada.

🧵 [7/12]

#ScienceUpFirst
COVID-19 vaccines seem too speedy? Well, advances in science and technology, international collaboration, and increased funding all helped their progress.

Teamwork makes the dream work! 🌈💖

cihr-irsc.gc.ca/e/52424.html

🧵 [8/12]

#ScienceUpFirst
Of the over 57 million vaccine doses given in Canada, 0.035% reported adverse effects.

74% of these effects are non-serious (5) and no long-term side effects have been detected.

🧵 [9/12]

#ScienceUpFirst
Health Canada, PHAC, the provinces and territories, and manufacturers continue to closely monitor the safety of COVID-19 vaccines.

Health Canada will respond to any safety issues right away and will inform Canadians about any risks that arise.

🧵 [10/12]

#ScienceUpFirst
Review:

- We receive vaccines infrequently

- Your body clears the vaccine ingredients within weeks, keeping just the immune memory

- Vaccine safety is continually monitored. When rare side effects happen, they are responded to asap

🧵 [11/12]

#ScienceUpFirst
Being concerned about safety makes sense! You want what’s best for yourself and loved ones.

You can feel confident in COVID-19 vaccine safety. They are safe and effective - even in the long term.

References: tinyurl.com/SUFLongTerm

🧵 [12/12]

#ScienceUpFirst To review, long term side effects from COVID-19 vaccines are

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More from @ScienceUpFirst

3 Nov
On the fence about fighting the flu? 🤔

Well get off the fence and get on defense! Getting the flu shot is extra important this year. Keep reading to find out why.

References at the bottom of the thread!

🧵 [1/10]

#ScienceUpFirst Flight the Flu!  (During a pandemic, it is extra important t
Silver lining to 2020? The flu season was very mild (1). We can thank public health measures like physical distancing, reduced travel, masks and hand-washing for that.

Here’s why things are different this year...

🧵 [2/10]

#ScienceUpFirst
Reason 1: We’re seeing more people face to face. (Yay!) 👭

Reason 2: Low flu rates during the past two seasons means our population immunity against influenza is lower than usual (2). (Not yay!) 🤒

🧵 [3/10]

#ScienceUpFirst
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18 Oct
Did you know that not all scientific evidence is equal? 🤔

The more the study is influenced by the expert, the higher the risk of bias.

Check out this thread for an explanation of the hierarchy of evidence 🔺

🧵 [1/6]

#ScienceUpFirst Hierarchy of evidence. A pyramid with 6 levels, with the lea
Studies with a low risk of bias ✅:
1. Systematic reviews and meta-analyses
2. Randomized controlled trials

🧵 [2/6]

#ScienceUpFirst Systematic Review/Meta-analysis: - Systematic reviews use al
Studies with a moderate risk of bias 🤔:

3. Cohort studies
4. Case control studies

🧵 [3/6]

#ScienceUpFirst Cohort Studies: - A cohort study takes place over an extende
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7 Oct
🔴 LIVE NOW: #TakeScience into Fall Townhall

Join in the conversation below and RT this thread featuring @SabiVM, @DrCora_C, @janinemccready, and @tylerblack32 . Hosted by @heysciencesam. Promotional image with the ...
Register to ask questions on Zoom: us06web.zoom.us/webinar/regist…

Watch live on Facebook: facebook.com/scienceupfirst…
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A (@janinemccready): What are your local case rates looking like? Is your group vaccinated? Is anyone symptomatic? If your group is mixed vaccination - incl. children - it’s better to have the event outdoors.
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COVID-19 isn’t going to just disappear. What does this mean for the future? Will COVID become endemic, and what does that mean? 🤔

Check out this thread for an explanation of where we go from here!

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🧵 [1/7] Here’s a hard truth: COVID-...
YOU ARE HERE ➡️📍Pandemic

But what is a pandemic, and where does it end?

#ScienceUpFirst #TakeScience

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21 Sep
Want to level up your Googling? 🆙

Check out these helpful shortcuts for getting the information you are looking for!

This thread was inspired by @chrishlad:


#ScienceUpFirst #SciLit
[1/8] A fake browser window shows the words: 8 tips on how to Goog
Looking for something on a specific website? Use site:

#ScienceUpFirst #SciLit

[2/8] A search bar is filled with the words: COVID-19 vaccine site
Search results on the wrong track? You can limit unwanted terms by putting a minus sign in front.

#ScienceUpFirst #SciLit

[3/8] A search bar is filled with the words: Delta -Airline  A tex
Read 8 tweets
2 Sep
🤔💭 Wondering why vaccine dosage doesn’t change for people of different sizes? Or why Pfizer and Moderna have different amounts of mRNA?

This thread answers some of your big questions about how vaccine dosage works!

#ScienceUpFirst

🧵 [1/5] What’s the deal with doses?  The answers to your big quest
1. Why does the Moderna vaccine contain more mRNA than the Pfizer vaccine?

#ScienceUpFirst

🧵 [2/5] Why does the Moderna vaccine contain more mRNA than the Pfiz
2. Do dose recommendations ever change?

#ScienceUpFirst

🧵 [3/5] Do dose recommendations ever change?  Yes! Doses can change
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