Temporary placards may be placed on buildings such as warning signs over tenting to indicate the building is being fumigated and that no one should enter.
There have also been information campaigns concerning prevention of the dengue fever; and the government is fumigating with insecticide in order to control the mosquito population.
A very particular librarian who served until 1906, she would go so far as to fumigate books returned from patrons who had contracted infectious diseases.
