Ivermectin is a drug whose discovery earned the Nobel Prize for Medicine to William C. Campbell and Satoshi Ōmura in 2015. This drug has a powerful studies of laboratory and clinical trials. More than 40 clinical studies completed in different parts of the world have shown that Ivermectin is not only extremely effective in reducing viraemia in the initial phase of the infection, but also active during the secondary phase.

Scientists did not expect that a drug approved over 35 years ago with other indications could really be so effective and well tolerated in Covid patients.