when epidemiologist George Soper, knowing she was the common element in many epidemics, tracked her down (a second time) in 1915, she was arrested and held in quarantine the rest of her life Last 50 Years Many new antimicrobial agents were discovered in the last 50 years Current public health methods include: Water purification, sewage collection and treatment water purification is now accomplished by a combination of filtration or sedimentation, coagulation, carbon treatment, and chlorination sewage is collected via sewer systems, where bacterial by-products kill most pathogens before they reach plants where treatment consists of: primary - physical separation by filtration using bar screens followed by sedimentation of grit secondary - removal of organic compounds by microbial degradation in a series aerobic digesters and anaerobic digesters tertiary - chemical removal of eutrophic agents, heavy metals and hard-to-digest organic compounds;
(Last 50 Years Many new antimicrobial agents; were discovered; T:in the last 50 years) (they; reach; plants where treatment consists of: primary - physical separation by filtration) (Current public health methods; include; ) Context(Current public health methods include,List([272, 309))):(Water purification, sewage collection and treatment water purification; is accomplished; by a combination of filtration or sedimentation, coagulation, carbon treatment; T:now) (bacterial by-products; kill; most pathogens) (epidemiologist George Soper; tracked down; T:in 1915) Context(epidemiologist George Soper tracked down,List([5, 104))):(epidemiologist George Soper; tracked down knowing; she was the common element in many epidemics) Context(epidemiologist George Soper knowing tracked down,List([5, 104))):(she; was; the common element in many epidemics) (she; was arrested; T:when epidemiologist George Soper, knowing she was the common element in many epidemics, tracked her down (a second time) in 1915) (treatment; consists; of: primary - physical separation by filtration; L:plants) (chlorination sewage; is collected; ) (she; held; L:in quarantine; the rest of her life; T:when epidemiologist George Soper, knowing she was the common element in many epidemics, tracked her down (a second time) in 1915)
Current public health methods include,List([272, 309)) epidemiologist George Soper tracked down,List([5, 104)) epidemiologist George Soper knowing tracked down,List([5, 104))
Last 50 Years Many new antimicrobial agents they Current public health methods Water purification, sewage collection and treatment water purification bacterial by-products epidemiologist George Soper epidemiologist George Soper she she treatment chlorination sewage she
were discovered reach include is accomplished kill tracked down tracked down knowing was was arrested consists is collected held
T:in the last 50 years
plants where treatment consists of: primary - physical separation by filtration
by a combination of filtration or sedimentation, coagulation, carbon treatment T:now
most pathogens
T:in 1915
she was the common element in many epidemics
the common element in many epidemics
T:when epidemiologist George Soper, knowing she was the common element in many epidemics, tracked her down (a second time) in 1915
of: primary - physical separation by filtration L:plants
L:in quarantine the rest of her life T:when epidemiologist George Soper, knowing she was the common element in many epidemics, tracked her down (a second time) in 1915