Infection Prevention 156 Communicable diseases 131 Health and hygiene 96 Medical personnel 89 Sanitation 60 Long-term care facilities 53 Nosocomial infections 47 Medical microbiology 32 Health facilities 30 Epidemiology 28 Hospitals 28 Medicine 28 Case management services 27 Health planning 27 Social medicine 27 Safety measures 26 Research 25 Cross infection 21 Diseases 20 Protective clothing 15 Administration 14 Public health 12 Standards 12 Sterilization 12 Care and hygiene 11 Drug resistance in microorganisms 9 Hand 9 Multidrug resistance 8 Clothing 7