RIO DE JANEIRO, BRAZIL - To trigger Covid-19, the SARS-CoV-2 virus infects lung cells and other organs through a protein that binds to a receptor. This portion of the virus (the receptor-binding domain - RBD) has been injected by Argentinean scientists into horses, which produced high doses of antibodies with the ability to neutralize the virus' penetration into the cells, as evidenced in in-vitro studies.
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