19thcentury 2010f-173 americancivilwar confederatestatesofamerica control diagnosis diseases geneticallymodified geneticallymodifiedorganisms geneticengineering genetics healthaspects history insectvectors malaria microscopy militarypersonnel mosquitocontrol mosquitoes mosquitoesascarriersofdisease mosquitos organisms parasitology pathogens prevention rc158 soldiers unitedstates wc11aa1b433m2010 yellowfever