Excess patient specimens normally collected for routine microbiologic testing for CAP and in some cases additional specimens (i.e.,blood, urine, throat swab) will be evaluated using real-time PCR tests developed in our laboratory. Specimens will be performed on patients suspect for CAP. Test will be directed at variety of pathogens including but not limited to M.pneumoniae, C. pneumoniae, Legionella pneumophila, Streptococcus pneumoniae, B. pertussis, influenza viruses, adenovirus, and metapneumovirus. The ultimate goal is to have a panel of highly accurate and rapid (same day) tests that can be orderable and performed in short period time for CAP cases.