Strongyloides stercoralis

Strongyloides stercoralis (parasite) Strongyloides stercoralis is a threadworm of the Strongyloididae family. It mainly occurs in tropical and subtropical regions. S. stercoralis causes strongyloidiasis, which is characterised by intense itching of the site of skin...

Streptococcus spp.

Streptococcus spp. (bacterium) The genus Streptococcus belongs to the family Streptococcaceae. They are spherical, chain-forming, gram-positive bacteria. Their behavior concerning hemolysis and the Lancefield-classification divide the different species into...