Virulence factors of Bordetella pertussis
Bordetella pertussis is a small non-motile, non-sporing ovoid. Gram negative cocco-bacillus. It measures about 1-1.5µm x 0.3µm and is haemolytic. Capsulated (fresh isolates from patients),...
Culture media on the basis of physical state
Media exists in three different forms. They are: Solid culture media. Semisolid culture media. Fluid culture media. Solid culture media: Mainly used in petri dishes...