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How were mosquitoes controlled to combat the diseases in Panama?
Wiki User
∙ 12y ago
An integrated program of mosquito control was initiated that involved seven basic programs that were strictly enforced. These were, in order of importance: # Drainage: All pools within 200 yards of all villages and 100 yards of all individual houses were drained. Subsoil drainage was preferred followed by concrete ditches. Lastly, open ditches were constructed. Paid inspectors made sure ditches remained free of obstructions.
# Brush and grass cutting: All brush and grass was cut and maintained at less than one foot high within 200 yards of villages and 100 yards of individual houses. The rationale was that mosquitoes would not cross open areas over 100 yards.
# Oiling: When drainage was not possible along the grassy edges of ponds and swamps, oil was added to kill mosquito larvae. Joseph Augustin LePrince
Samuel T. Darling # Larviciding: When oiling was not sufficient, larvaciding was done. At the time, there were no commercial insecticides. Joseph Augustin LePrince, Chief Sanitary Inspector for the Canal Zone developed a larvacide mixture of carbolic acid, resin and caustic soda that was spread in great quantity.
# Prophylactic quinine: Quinine was provided freely to all workers along the construction line at 21 dispensaries. In addition, quinine dispensers were on all hotel and mess tables. On average, half of the work force took a prophylactic dose of quinine each day.
# Screening: Following the great success in Havana, all governmental buildings and quarters were screened against mosquitoes. # Adult killing: Because the mosquitoes usually stayed in the tent or the house after feeding, collectors were hired to gather the adult mosquitoes that remained in the houses during the daytime. This proved to be very effective. Mosquitoes that were collect in tents were examined by Dr. Samuel T. Darling, Chief of the Board of Health Laboratory. Cost of adult mosquito killing was $3.50/per capita/per year for whole population of the strip. http://www.cdc.gov/malaria/history/panama_canal.htm
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoAll trenches and lakes were covered up so mosquitoes could not lay their eggs and would die of dehydration. This way was used by the United States during the building of the Panama Canal because so workers were dying of diseases like malaria.
Wiki User
∙ 6y agoThe mosquito carries disease and the men got sick.
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