cerebrospinal fluid smear containing brain-eating amoeba naegleria fowleri and neutrophils

amoebeasis amoebic brain cerebrospinal disease encephalitis fluid fowleri headache ill illness illustration infection infectious leukocyte medical medicine meningitis meningoencephalitis microbe microorganism naegleria naegleriasis neutrophil pam parasite parasitic pathogen pathology primary protozoal protozoan research science scientific seazure sickness smear trophozoite usa water