The most common bacterial agents causing this infection are streptococcus pneumoniae, haemophilus influenza and moxarella catarrhalis.
A multiplex PCR was developed that is capable of detecting four of the most important bacterial agents of atypical pneumonia, Mycoplasma pneumoniae, Chlamydophila pneumoniae, Legionella pneumophila, and Bordetella pertussis in uncultured patient specimens.
The number of meningococcal strains isolated has remained small for the last 10 years, as would be expected in a zone located at a considerable distance south of the African meningitis belt and one in which pneumococci and Haemophilus influenzae are the two most frequent bacterial agents of meningitis.
H. influenzae (776 [26%]) was the second most common bacterial agent isolated.
Chlamydial Infection: A Clinical and Public Health Perspective, a relatively short textbook, focuses on Chlamydia trachomatis, the most common bacterial agent of sexually transmitted infections.
Chlamydia trachomatis is the most common bacterial agent in sexually transmitted infections (STI), globally accounting for more than 100 million infections [ 1, 2].
The organism has been found to be the most common bacterial agent recovered from blood stream infections, skin and soft tissue infections, pneumonia and hospital-acquired post-operative wound infections [ 1- 4].
A retrospective study of influenza-related childhood deaths in the United States in the 2003 04 season found S. aureus to be the most common bacterial agent, accounting for 46% of isolates, >50% of which were methicillin-resistant strains (5 ).
In agreement with recent studies, S. pneumoniae was the most common bacterial agent associated with coinfections, and a copathogen was found in more than one-half of the cases with the majority of pathogens being viral agents [ 11, 12, 14, 41], usually influenza viruses or rhinovirus.
The species is associated with both non-invasive diseases, such as acute pharyngitis, an infection for which it is the most common bacterial agent, and invasive infections, such as skin and soft-tissue infections, necrotizing fasciitis, bacteremia, sepsis, and toxic shock syndrome [ 1].
