a) Sources and types of infection, growth of microbes. nosocomial infection. b) Factors affecting growth of Specimens transmission of microbes. c) Cycle of transmission of infection Explain using principles in collecting portals of entry, exit, modes of charts specimens transfer. d) Reaction of body to infection, mechanism of resistance. e) Collection of specimens. DEFINITION એકજ જાતના Orginism એકજ વ્યક્તિને બીજી વખત =ઉભું કરે તેને re-infection કહે છે. એક જાત ના