Tag: vaccine immunisation
COVID-19 vaccines efficacy: Is it realistic to expect 100% effectiveness?
Medical science has made extraordinary progress over the last few decades, with achievements that have led to an increase in general life expectancy and quality of life. Today, afflictions such as cancer, severe heart failure, polio, or tuberculosis have modern and effective treatments.
Immunization against COVID-19: How often should the vaccine be repeated?
How long does the protection provided by the vaccine last? Should I have a booster shot after a while, or not?