1) Contagion 2) Death in the pot 3) Insalubriousness 4) Malaria 5) Nonnaturals 6) Plague spot 7) Toxicity 8) Unhealthfulness 9) Unhealthiness Found on https://www.crosswordclues.com/clue/insalubrity
In`sa·lu'bri·ty noun [ Confer French insalubrite .] Unhealthfulness; unwholesomeness; as, the insalubrity of air, water, or climate. Boyle. Found on http://www.encyclo.co.uk/webster/I/66