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4. Consideration should be given to the tuberculosis test in low incidence groups in low prevalence groups^.infants, elementary schools, high schools, etc., as a device to screen out those who harbor tuberculosis germs from those who do not. - * 5. Every community should con. tinue to study its tuberculosis problem, needs, and resources, so that local X-ray surveys may have efficient use and maximum effect. 6. Adequate safeguards should be used to protect all persons from, unnecessary radiation. , Thf Virginia Department of Health states that at least haTft of the people coming to the. X-ray units in. recent years, according ta y asstatement as of November 22, . 1957. are above 40 years of age Jnd beyond the average child-bear-'/ ing. period. In this 40 years and older group TB is more prevalent. and the danger .of radiation is of least significance. 7 In the vast number of people in : Virginia who have -never been x*. raved, there/are believed to. be between five and ten thousand cases of active tuberculosis To find > these the State Health Department ■copfemplates “more intensified xrav survey effort during the next. Mew years.” ' . Clearly, care should be aryl is being taken to make the X-ray survey a productive tool within the limits defined: by the United States Public Health Service. Within these limits there need be no fear^ of excessive radiation haxards.i What About Radiation and Xrays
All people receive in a lifetime a certain amount of radiation from cosmic rays (from outer space)i and earthly sources. (Your bedroom clock, if it has a radium dial so that you can see' jt in the dark, gives off minature rays.)
Natural radiation has been apart of life since it began on earth. Early man undoubtedly was *ubiecjted to more natural radiation Jra we are because elements in - tie earth tha give off radiation decav slowlv over the years.
Radiation is the bombardment of objects by the smallest electrically charged particles known to
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