Infection prevention and control
Infection prevention and control is the discipline concerned with preventing healthcare-associated infections; a practical rather than academic sub-discipline of epidemiology. In Northern Europe, infection prevention and control is expanded from healthcare into a component in public health, known as "infection protection" (smittevern, smittskydd, Infektionsschutz in the local languages). It is an essential part of the infrastructure of health care. Infection control and hospital epidemiology are akin to public health practice, practiced within the confines of a particular health-care delivery system rather than directed at society as a whole.
Infection control addresses factors related to the spread of infections within the healthcare setting, whether among patients, from patients to staff, from staff to patients, or among staff. This includes preventive measures such as hand washing, cleaning, disinfecting, sterilizing, and vaccinating. Other aspects include surveillance, monitoring, and investigating and managing suspected outbreaks of infection within a healthcare setting.
A subsidiary aspect of infection control involves preventing the spread of antimicrobial-resistant organisms such as MRSA. This in turn connects to the discipline of antimicrobial stewardship—limiting the use of antimicrobials to necessary cases, as increased usage inevitably results in the selection and dissemination of resistant organisms. Antimicrobial medications (aka antimicrobials or anti-infective agents) include antibiotics, antibacterials, antifungals, antivirals and antiprotozoals.[1]
The World Health Organization (WHO) has set up an Infection Prevention and Control (IPC) unit in its Service Delivery and Safety department that publishes related guidelines.[2]
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Barriers and facilitators of implementing infection prevention and control guidelines[edit]
Barriers to the ability of healthcare workers to follow PPE and infection control guidelines include communication of the guidelines, workplace support (manager support), the culture of use at the workplace, adequate training, the amount of physical space in the facility, access to PPE, and healthcare worker motivation to provide good patient care.[32]Facilitators include the importance of including all the staff in a facility (healthcare workers and support staff) should be done when guidelines are implemented.[32]
Vaccination of health care workers[edit]
Health care workers may be exposed to certain infections in the course of their work. Vaccines are available to provide some protection to workers in a healthcare setting. Depending on regulation, recommendation, the specific work function, or personal preference, healthcare workers or first responders may receive vaccinations for hepatitis B; influenza; measles, mumps and rubella; Tetanus, diphtheria, pertussis; N. meningitidis; and varicella.[28]
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Training in infection control and health care epidemiology[edit]
Practitioners can come from several different educational streams: many begin as registered nurses, some as public health inspectors (environmental health officers), some as medical technologists (particularly in clinical microbiology), and some as physicians (typically infectious disease specialists). Specialized training in infection control and health care epidemiology are offered by the professional organizations described below. Physicians who desire to become infection control practitioners often are trained in the context of an infectious disease fellowship. Training that is conducted "face to face", via a computer, or via video conferencing may help improve compliance and reduce errors when compared with "folder based" training (providing health care professionals with written information or instructions).[21]
In the United States, Certification Board of Infection Control and Epidemiology is a private company that certifies infection control practitioners based on their educational background and professional experience, in conjunction with testing their knowledge base with standardized exams. The credential awarded is CIC, Certification in Infection Control and Epidemiology. It is recommended that one has 2 years of Infection Control experience before applying for the exam. Certification must be renewed every five years.[34]
A course in hospital epidemiology (infection control in the hospital setting) is offered jointly each year by the Centers for Disease Control and Prevention (CDC) and the Society for Healthcare Epidemiology of America.[35]
Standardization[edit]
Australia[edit]
In 2002, the Royal Australian College of General Practitioners published a revised standard for office-based infection control which covers the sections of managing immunisation, sterilisation and disease surveillance.[36][37] However, the document on the personal hygiene of health workers is only limited to hand hygiene, waste and linen management, which may not be sufficient since some of the pathogens are air-borne and could be spread through air flow.[38][39]
Since 1 November 2019, the Australian Commission on Safety and Quality in Health Care has managed the Hand Hygiene initiative in Australia, an initiative focused on improving hand hygiene practices to reduce the incidence of healthcare-associated infections.[40]
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