For some of these, as redwater (pyrosoma), antidotes are already found; for others, as for Texas fever - of which the parasite is unknown, but the mode of its transmission, by the mosquito, discovered (Finlay-Reed) - preventive measures are reducing the prevalence.
The next step was to endeavour so to modify and weaken the virus as to enable it to be used as a preventive or as an antitoxin.
The means which have proved most efficacious, both as a remedy and a preventive of this disease, is to scatter flowers of sulphur over mthe vines, before the morning dew has evaporated.
The Senate was intended to play the part of an organ of supervision, so as to act as a preventive of too hasty or too loosely drawn-up legislation.
A gunboat for preventive service purchased from the British government and commanded by an Englishman, with native petty officers and crew, is employed by the Liberian government.
At the first hint of below freezing weather, Howie was on the job, covering everything and reading up on all preventive measures known to man.
The methods of active immunity have been practically applied in preventive inoculation against disease; those of passive immunity have given us serum therapeutics.
As a preventive repeated spraying with dilute Bordeaux mixture is recommended, during the flowering season and early development of the fruit.
Where the disease is endemic or is prevailing epidemically, it is of great importance to use all preventive measures, and for this purpose the avoidance of all causes likely to precipitate an attack is to be enjoined.
A laboratory is maintained for bacteriological and pathological researches and for the preparation of preventive vaccines.