Vaccination causes 'disease provocation': Polio, TB, COVID, Typhoid, HPV, Flu, etc.
Why Do Vaccines Cause the Illnesses They Prevent - MidWestern Doctor
Perhaps "the body was forming an allergic response to the spike protein (COVID), which in turn necessitated either eliminating the virus early on (so this would not happen) or treating it as an allergy once the second phase began. "
Original Antigenic Sin refers to the observation that if someone is vaccinated for a different strain than what is currently circulating (e.g., of the flu) they tend to have a worse immune response than those who were never vaccinated.
2012 study: found a 40-166% increase in the likelihood of getting infected with a virus which differed from the strain you were vaccinated against (e.g., a pandemic influenza strain which had a greater risk of hospitalization) and up to a 100 fold increase in one’s viral load (which increases transmission