Most diseases a parasitic.
But even if that isn’t the case, Ivermectin essentially acts to allow zinc to penetrate cells easier. Like a door.
“Ivermectin and HCQ share the following pharmacology:
Antiviral - stopping entry to the cell
Immunomodulatory - slowing progression to Stages II,III
Zinc Ionophore - helping Zinc pass through the fatty acid cell wall
Intracellular Zinc shuts down the replication of viruses”