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Waterbome Disease Resulting: Secondarily treated and chlorinated s from its new treatment plant was diverted pond— providing 17 days detention— formed dam on the Neosho River, on which the cit had a waterworks intake one mile upsl There was no measurable flow from the N from August 1956 to February 1957. D treated sewage began in October and rec was practiced until March. There were no I cases of waterbome disease resulting froi emergency measure. Studies in California in supported the practicability of reclamation it is now used in the Southwest and the Far for recharge or for irrigation.
VACCINES AND VACCINATION, vaksenz, vak-si-na'shun. Inoculation with infectioi material to prevent naturally acquired disea: was introduced into western Europe in 171 by Lady Mary Wortley Montagu. The wii of the British ambassador at Constantinople, sh had observed in Turkey the practice of producin smallpox (variola) in susceptible persons by th inoculation of vesicle material from a case of th disease. This was known as variolation, an the resulting disease, variola inoculata, was appre ciably less severe than the naturally occurrin; disease.
Mycoplasmosis is a respiratory disease caused y the bacteria Mycoplasma gallisepticum. It is Iso known as air sac disease or chronic respira-jry disease. Those affected with the disease may how nasal discharge, watery eyes, and respira-)ry difficulty. This disease is often associated /ith other respiratory diseases. It is transmitted hiefly from infected hens to their chicks through le eggs. The disease can also be transmitted by ontact with infected individuals, but it spreads ery slowly in this manner. The disease can best e controlled by maintaining breeding flocks free f the disease by strict measures of isolation and mitation. Chicks hatched from such flocks can egin life free of the disease. |
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