This nosode is made available to C. President Andrés Manuel López Obrador and the people of Mexico to save lives. N covid-19 MC serves to prevent, cure and reverse the sequelae of the SARS-CoV-2 virus. It is a contribution to scientific knowledge because it shows that: Viruses are controlled. Nosode is a natural homeopathic vaccine. Efficient, safe and innocuous in people with chronic degenerative problems and asymptomatic people, pregnant women and children.N-COVID-19 200C – Nosode of free distribution to face the current pandemic of the coronavirus covid-19.