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Long Term Effects Of Vaccines

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Covid vaccine warning. The vaccine itself trains your immune system and after. Are There Negative Long Term Side Effects To The Covid 19 Vaccine Youtube In 1955 some batches of polio vaccine given to the public contained live polio virus even though they had passed required safety testing. Long term effects of vaccines . The side effects for any vaccine fall into two categories the mild short-term effects that fade within a few days sore arms and potential severe side effects like allergies or autoimmune. Immediate allergic reactions typically occur within 4 hours of receiving the. Hence any safety hazards can be easily noticed. Of course the only way to know what if any long-term side effects result from the use of these mRNA vaccines is to follow the participants of the Pfizer and Moderna clinical trials vaccinate. The expected side-effects of the Pfizer vaccine have been reported from trials involving roughly 43000 participants aged 16 years and older from the US Argent