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body lice infestations spread rapidly under crowded conditions where hygiene is poor
malaria generally occurs in areas where environmental conditions allow parasite multiplication in the vector
insects body where its midsection or thorax attaches to its abdomen by the petiole
this photograph is showing a clinic outside the united states where cdc field clinicians treated
angladesh field headquarters where eradication team members would exchange data collected
looking out the rear of a c 141 jet from its interior where a mobile quarantine facility
farmer able to modernize the greenhouse where they grew seedlings
