COVID-19
Vaccine facts
SIDE EFFECT FINDINGS
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Mild to moderate, more common after second dose
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Generally, more frequent and severe in those <55
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Systemic adverse reactions usually occur in 1-2 days and usually last 24 hours
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The most common:
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injection site reactions (84.1%)
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fatigue (62.9%)
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headache (55.1%)
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muscle pain (38.3%)
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chills (31.9%)
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joint pain (23.6%)
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fever (14.2%)
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[Click on an image to enlarge]
ABOUT MRNA VACCINES
(Pfizer & Moderna)
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Your body naturally uses mRNA to send instructions when building proteins.
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mRNA technology is new in vaccine production but is already being used in cancer treatment.
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It has been studied for more than ten years.
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The COVID-19 mRNA vaccines give instructions to our cells to make a harmless piece that looks like the “spike protein” on the surface of the COVID-19 virus.
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Our immune system sees these fake spike proteins and builds antibodies that recognize them. In the future our immune system will now recognize when the COVID -19 virus enters the body and can fight it.
Visit this link for more info on mRNA vaccines: Understanding and Explaining mRNA COVID-19 Vaccines | CDC
ABOUT adenovirus vector vaccines
(JOHNSON & JOHNSON)
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Unlike the Pfizer-BioNTech and Moderna vaccines, which store the instructions in single-stranded RNA, the Johnson & Johnson vaccine uses double-stranded DNA.
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The gene for the coronavirus spike protein was added to another virus called Adenovirus 26. Adenoviruses are common viruses that typically cause colds or flu-like symptoms. The Johnson & Johnson team used a modified adenovirus that can enter cells but can’t replicate inside them or cause illness.
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This type of vaccine has been studied for decades.
Visit this link for more detailed info on the J&J vaccine: How the Johnson & Johnson Covid-19 Vaccine Works - The New York Times (nytimes.com)
SIDE EFFECT FINDINGS
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headache
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fatigue
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body aches
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pain at injection site
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redness
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swelling
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Local Reactions:
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Systemic reactions: