Health The COVID-19 pandemic has piqued our interest in the development of an effective vaccine or vaccines to address this worldwide crisis. Most of us have a number of questions about vaccines and their place in our health care. What exactly is a vaccine and how does it work? When was the first vaccine developed?What diseases have been eradicated or greatly controlled using vaccines? What are the adverse reactions to vaccines and what alleged side-effects are pure myths? As a senior, what vaccines should I have had and which ones need to be repeated? Why has it taken so long to develop a successful vaccine for COVID-19 and will it be safe and provide long-term immunity?These, andmany more questions are uppermost in our thoughts as we daily await signs of progress in the worldwide scientific search for dissemination of a vaccine, or a cure for the disease. All About Vaccines By: Dr. Robert MacMillan MD 48 | www.snowbirds.org
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