CONTENTS

Page

Participants and Invited Guests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

vii


Opening Session

1


Welcome      Abraham Horwitz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Introductory Remarks    Charles L. Wisseman , Jr. . . . . . . . . . . . . . . . . . . . . . . . . . .

5

The Philosophy of Disease Control and the Population Explosion

John C. Snyder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

Can the War to Contain Infectious Disease Be Lost? With Specific Comments

on Louse-Borne Diseases      William C. Reeves . . . . . . . . . . . . . . . . . . . . . . .

14

Open Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19


Session 1 • Current Status: Problems and Control Measures

21


Section A • Lousiness and Lice Control

The Current Status of Louse Infestations Throughout the World

Norman G. Gratz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

Louse Eradication Programs in Yugoslavia     Jakob A Gaon . . . . . . . . . . . . . . . . .

32

Rickettsial Diseases of Southern Africa, with Special Reference to Their

control    J. H. S. Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41

Studies of Louse-Borne Relapsing Fever in Ethiopia    E. B. Doberstyne . . . . . . .

42

Typhus and Louse Control in Hungary    Geroge Makara . . . . . . . . . . . . . . . . . .

43

Open Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47


Section B • Louse-Borne Diseases Worldwide

Geographic Distribution of Louse-Borne Diseases    M. L. Tarizzo . . . . . . . . . . .

50

Observations on Global Aspects of Louse-Borne Typhus: Transmission and

Potential    Charles L. Wisseman , Jr. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60

Incidence of Rickettsia prowazeki Infections in an Endemic Focus of Louse-

Borne Typhus: Factors Influencing the Occurrence of Epidemics

Edward S. Murray and Jacob A. Gaon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

66

Pilot Program for the Control of Typhus in Bolivia    Luis Gamarra

Gutterrez . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70

Open Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

74


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