The Commissioner may institute action to enjoin any violation of this article or any rule or regulation or quarantine promulgated under this article. A violation of this article or any rule or regulation promulgated pursuant to this article or any quarantine established pursuant hereto is declared to constitute a public nuisance. Such action for injunction may be maintained notwithstanding the existence of other legal remedies and notwithstanding the pendency or successful completion of a criminal prosecution as for a misdemeanor.