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$Since year 2020, a few countries have started their Covid-19 vaccination medical experiments and programs with the hope to combat the pandemic and bring it to the end. Vaccines are created and often with purpose to bring down the death toll of infectious diseases. \n\nIn less than a year, several successful vaccines have already been announced and were approved for use in some countries. Eventually a very large share of the world population needs to receive a COVID-19 vaccine and together we will win the Covid-19 battle.\n\nCoronavirus 2019-nCoV and Illness Prevention, Healthcare and Medicine, Vaccination, Immunization & Treatment Concepts.$