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The EMA also initiated an assessment for all COVID‑19 vaccines used in the EU for immune thrombocytopenia (ITP), described as low blood platelet levels that could lead to bruising and bleeding, as a possible side effect, whilst also stating that up to this point no link with any COVID‑19 had been established.
[18] [20] Since its first discovery, there have been many definitions of pacemaker syndrome, and the understanding of the cause of pacemaker syndrome is still under investigation. In a general sense, pacemaker syndrome can be defined as the symptoms associated with right ventricular pacing relieved with the return of A-V and V-V synchrony. [17]
Myocarditis can be a side-effect of the Covid-19 mRNA vaccines. The FDA and European Medicines Agency estimates the risk of myocarditis after the Covid-19 vaccine as 1 case per 100,000 of those who are vaccinated. [31] [32] The risk of myocarditis after Covid-19 vaccination was observed to be highest in males between 16–29 years of age, and ...
“The vaccine does not have the live COVID-19 virus in it,” Dr. Robinson says. “Instead, it targets your immune system to create antibodies that will fight the virus if you were infected.”
The latest Omicron COVID-19 booster vaccine may lead to similar side effects caused by earlier vaccines, which include injection site pain, fatigue, fever and more.
Vaccine-associated enhanced respiratory disease (VAERD), or simply enhanced respiratory disease (ERD), is an adverse event where an exacerbated course of respiratory disease occurs with higher incidence in the vaccinated population than in the control group. It is a barrier against vaccine development that can lead to its failure.
Possible cell mediated immunity led by Helper T-cells and Cytotoxic T-cells is postulated to be important in the pathogenesis of this condition. [1] There is also possibility of anti-cardiac antibodies created idiopathically, or due to concurrent cross-reactivity of the antibodies produced against viral antigens, however the latter assumption ...
New RSV vaccines are now available to help prevent serious infection in people over 60. Doctors explain the RSV vaccine and its side effects in older adults.