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eggs are incubated for two to three days in order to facilitate virus multiplication if indeed viruses

drainage canal was manually constructed in order to provide a permanent waterway promoting

drainage canal was constructed in order to provide a permanent waterway promoting the free flow of water

order of hymenoptera includes bees wasps ants and sawflies

laboratorian is preparing specimens in order to confirm the presence of botulinum toxin

aircraft as it was spraying insecticide in order to help eliminate populations of possible disease causing mosquitoes

microbiologists in order to access the interior of the organizations biosafety level 4

workers practicing vector control by digging a drainage ditch in order to help disperse standing water

this drainage canal was undergoing reconstruction in order to provide a permanent waterway

conducting an investigation in order to determine if a spider had any trace of the marburg virus

demonstrates how a smallpox vaccinee prepares a gauze bandage in order to cover her vaccination site

entomologic field technician using an aspiration suction tube in order to trap adult mosquitoes

laboratorian using a centrifuge to separate blood in order to prepare plasma1

laboratorian using a centrifuge to separate blood in order to prepare plasma
