Dr Yan Yu here. I'm a practicing medical doctor in Canada. Many people have asked me how the mRNA vaccine against COVID19 work in the body. Here's my reactions and additional updated information to a Dec 2020 video by AsapScience on this topic, to hopefully help you better understand the vaccine, and empower you to make a decision regarding vaccination, if you haven't decided yet.
00:00 The need for this video
01:15 Injection into muscle - where and why
01:47 Aspiration before injection - necessary for vaccines?
02:51 What mRNA is, how it works, & implications for Long Term vaccine side effects
04:24 How viruses work
04:44 How the mRNA vaccine acts in the body
06:00 How the immune system is activated, & implications for protection from variants compared with natural immunity
07:17 Debunking myth that "vaccine definition was changed"
08:10 Clarifying the body's immune responses
09:03 Why the mRNA vaccine is so revolutionary
09:44 How the vaccines were developed in record time
10:58 Vaccine safety - latest data from Canada (Dec 2021)
13:36 How many doses to take
14:03 Explaining typical and harmless vaccine side effects
▬ Disclaimers ▬▬▬▬▬▬▬▬▬▬
The medical information presented here is for educational purposes only. It should not be used as a substitute for a health care professional in diagnosing and treating medical conditions. Reliance on the information in this video for medical purposes is solely at your own risk. If you need medical care, please consult your family doctor.
I have no conflicts of interest. I have no financial interests in any company making or developing treatments for Covid-19, including vaccines or antivirals. I made this video on my own time and with my own money and equipment, with no incentives or sponsorship.
▬ Additional links and resources ▬▬▬▬▬▬▬▬▬▬
Original AsapScience Video: [ Ссылка ]
Guidelines/rationale for there being no evidence to support aspirating before intra-muscular vaccination:
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Risk of myocarditis with COVID19 infection far surpass risk of myocarditis with vaccination:
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Health Canada vaccine safety database: [ Ссылка ]
