Rabbit Anti-S. pneumoniae type 7, 19, 24, 40 Polyclonal antibody for Agg. Streptococcus pneumoniae?are Gram positive, lancet shaped cocci (elongated cocci with a slightly pointed outer curvature). Usually they are seen as pairs of cocci (diplococci), but they may also occur singly and in short chains.?S. pneumoniae?causes many