PROBLEMS OF EPIDEMIOLOGICAL GEOGRAPHY. REPORT 4. ZONAL, REGIONAL AND RESIDUAL NOSOLOGICAL AREAS OF DISEASE
ARMY BIOLOGICAL LABS FREDERICK MD
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In report 3 it was indicated that many modern infectious and invasive diseases of man did not obtain global distribution. The causes of their limited distribution over territories of the world were diverse. Thus, certain naturally focal diseases could not be encountered on these or those territories only because they had not migrated there.
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