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Breakthrough SARS-CoV-2 infections after COVID-19 immunization
Joshua Hirsh1, Thwe Htay1, Shubhang Bhalla1
1Medical Education, Texas Tech University Health Sciences Center El Paso Paul L Foster School of Medicine, El Paso, Texas, USA.
COVID-19 vaccine breakthrough infections are rare but expected due to imperfect vaccine efficacy. Recent literature suggests that while uncommon, SARS-CoV-2 infections can occur in vaccinated individuals, with age potentially influencing risk.
Area of Science:
- Immunology
- Infectious Diseases
- Vaccinology
Background:
- Vaccines for COVID-19 are not 100% effective, leading to expected breakthrough cases.
- Understanding breakthrough infections is crucial for public health strategies.
Purpose of the Study:
- To review recent scientific literature on COVID-19 vaccine breakthrough infections.
- To analyze factors influencing SARS-CoV-2 infections in vaccinated individuals.
Main Methods:
- Literature review of recent studies on COVID-19 vaccine breakthrough cases.
- Synthesis of findings regarding the incidence and characteristics of breakthrough infections.
Main Results:
- COVID-19 vaccine breakthrough infections are generally rare.
- Age appears to be a potential risk factor for SARS-CoV-2 infection in immunized populations.
Conclusions:
- While rare, COVID-19 vaccine breakthrough infections are an anticipated phenomenon.
- Further research may be needed to fully understand risk factors, including age, in vaccinated individuals.
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