That virus is the Jacobin dogma.

By virtue of the Jacobin dogma, theft, usurpation, murder, take on the guise of political philosophy, and the gravest crimes against persons, against public or private property, become legitimate; for they are the acts of the legitimate supreme power, the power that has the public welfare in its keeping.
I.The Sovereignty of the People.
Its principle is the Jacobin dogma of the sovereignty of the people .-- --The new right is officially proclaimed .-- Public statement of the new regime .-- Its object, its opponents, its methods .-- Its extension from Paris to the provinces.
That each Jacobin band should be invested with the local dictatorship in its own canton is, according to the Jacobins, a natural right.

It becomes the written law from the day that the National Assembly declares the country in danger.

"From that date," says their most widely read Journal,[3202] and by the mere fact of that declaration, "the people of France are assembled and insurgent.

They have repossessed themselves of the sovereign power." Their magistrates, their deputies, all constituted authorities, return to nothingness, their essential state.