Claim: In September 2017, authorities in Houston, Texas warned residents to use gas masks as they sprayed the area with a neurotoxic insecticide that "causes brain damage".
Fact-check: FACT CHECK: Were Houston Residents Warned to Use Gas Masks During Mosquito Spraying?
Verdict: mostly false
Organisation: Snopes
Author: Dan Macguill
Date published: 2017-09-21T11:08:22