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Our immune system and challenges to the COVID-19 – By Dr Harold Gunatillake   Website: www.Doctorharold.com Transcript: COVID-19 virus contains RNA (Ribonucleic Acid)-genetic material packed inside a protein shell. The only way to prevent people from catching COVID-19 is with a vaccine. It is a new virus, but the quest for a vaccine is not coming from a standing start When you are inflicted with an infection, your body develops antibodies and specialized immune cells that learn to fight that illness-causing pathogen. This virus was only identified a few months ago, and while researchers have been rapidly finding out about the virus and the disease it causes, there is still so much about it we do not understand. ...