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trifolium incarnatum flower petal this clover was blooming during the month of march
blooming during the month of march on the grounds of the centers for disease control headquarters in atlanta georgia
heiberg fermentation lab test used during the isolation and identification of vibrio cholerae
e coli o157 h7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea
vortexing swabs during processing resulted in superior extraction of spores
during the parasites development trophozoite represents an asexual erythrocytic stage
the male microgametocytes and female macrogametocytes are ingested by an anopheles mosquito during its blood meal
wings edge is adorned with fringe scales which relay changes in wind speed and direction during flight back to the mosquito
this photomicrograph shows a red blood cell being infected by plasmodium vivax during its schizont stage
red blood cell being infected by plasmodium vivax during the mature trophozoite stage
photomicrograph of a blood smear with plasmodium malariae parasites infecting rbcs during the ring stage
man setting traps for rats during a plague study
fish basket like this one is often used as a holding cage for birds that will be later tested during arbovirus studies
captured in niger west africa during the smallpox eradication and measles control program
