About 100 years ago, it was dicovered that insects transmitgrave, mainly tropical diseases - very much to theastonishment of the physicians of that time, who saw this asa new, possibly easy, way of eradicating the diseases byexterminating the vectors. For some years, DDT and otherthen new insecticides achieved great improvements, butsubsequently serious setbacks emerged:insecticide-resistance and anxiety about toxicity to man andanimals. In the past twenty years, serious efforts have beenmade tofind alternatives, with varying degrees of success.
About 100 years ago, it was dicovered that insects transmitgrave, mainly tropical diseases - very much to theastonishment of the physicians of that time, who saw this asa new, possibly easy, way of eradicating the diseases byexterminating the vectors. For some years, DDT and otherthen new insecticides achieved great improvements, butsubsequently serious setbacks emerged:insecticide-resistance and anxiety about toxicity to man andanimals. In the past twenty years, serious efforts have beenmade tofind alternatives, with varying degrees of success.
1: The Discovery of Unsuspected Dangers.- Prologue: How Arthropods Came to Transmit Human Diseases.- Section 1: The Insect Vectors.- Section 2: Diseases Transmitted by Mites and Ticks.- Some Concluding Remarks Regarding the Transmission of Arthropod-Borne Diseases.- 2: Control Measures Pre-DDT.- Early Responses to New Opportunities.- Control Measures During the Inter-War Period.- The Control of Various Insect-Borne Diseases.- 3: The Impact of the new Pesticides.- New Kinds of Insecticide.- Advances in the Control of Various Insect-Borne Diseases.- 4: Modern Problems and Possibilities.- The Present Predicament.- Current Options for Vector Control.- Human Factors in Vector Control.
1: The Discovery of Unsuspected Dangers.- Prologue: How Arthropods Came to Transmit Human Diseases.- Section 1: The Insect Vectors.- Section 2: Diseases Transmitted by Mites and Ticks.- Some Concluding Remarks Regarding the Transmission of Arthropod-Borne Diseases.- 2: Control Measures Pre-DDT.- Early Responses to New Opportunities.- Control Measures During the Inter-War Period.- The Control of Various Insect-Borne Diseases.- 3: The Impact of the new Pesticides.- New Kinds of Insecticide.- Advances in the Control of Various Insect-Borne Diseases.- 4: Modern Problems and Possibilities.- The Present Predicament.- Current Options for Vector Control.- Human Factors in Vector Control.
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