Monulparivir, the drug that "completely" stops the spread of coronavirus in 24 hours Posted byEntrepreneur en Español December 6, 2020 Leave a comment on Monulparivir, the drug that "completely" stops the spread of coronavirus in 24 hours This antiviral drug could prevent virus carriers from developing severe symptoms and transmitting the disease, as well as containing local outbreaks in a single day, according to studies.