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giardia lamblia protozoan that was about to become two
virus which was determined to be a member of the genus arenavirus
e coli o157 h7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea
dividing escherichia coli bacteria clearly displaying the point at which the bacterias cell wall was dividing
yersinia was formerly classified in the family pasteurellaceae but based on dna
colonial morphology displayed by gram negative yersinia pestis bacteria which was grown
round cocci bacteria which was composed of polysaccharides and is known as biofilm
nipah virus was initially isolated in 1999 upon examining samples from an outbreak of encephalitis
this pollen grain was of the tricolpate type of pollen which means that the outer surface was traversed from pole to pole
highly enlarged view of a ralstonia mannitolilytica bacterium which was harvested from a pure culture
grouping of ralstonia mannitolilytica bacteria which was harvested from a pure culture
if not treated properly tb disease can be fatal tb disease was once the leading cause of death in the united states
chick chorioallantoic membrane fluorescent antibody staining was done after smallpox virus inoculation
west nile virus virions in an isolate that was grown in a cell culture
