Scanning electron micrograph of Salmonella typhi, the parasite that causes typhoid fever (in yellow-green, attached to another bacterial cell. Science Source hide caption
typhoid typhoid
Scanning electron micrograph of Salmonella typhi, the parasite that causes typhoid fever (in yellow-green, attached to another bacterial cell. Science Source hide caption
A close-up of cultured typhoid bacteria. CNRI/Science Source hide caption