Universal precautions apply to blood and to other body fluids containing visible blood. Occupational transmission of HIV and HBV to health-care workers by blood is documented. Blood is the single most important source of HIV, HBV Hydro Flask Wine Tumbler Canada Sale , and other bloodborne pathogens in the occupational setting. Infection control efforts for HIV, HBV, and other bloodborne pathogens must focus on preventing exposures to blood as well as on delivery of HBV immunization.


Universal precautions also apply to semen and vaginal secretions. Although both of these fluids have been implicated in the sexual transmission of HIV and HBV, they have not been implicated in occupational transmission from patient to health-care worker. This observation is not unexpected, since exposure to semen in the usual health-care setting is limited Hydro Flask 12 OZ Wide Mouth Canada Sale , and the routine practice of wearing gloves for performing vaginal examinations protects health-care workers from exposure to potentially infectious vaginal secretions.


Universal precautions also apply to tissues and to the following fluids: cerebrospinal fluid (CSF), synovial fluid, pleural fluid, peritoneal fluid, pericardial fluid Hydro Flask Kids Canada Sale , and amniotic fluid. The risk of transmission of HIV and HBV from these fluids is unknown; epidemiologic studies in the health-care and community setting are currently inadequate to assess the potential risk to health-care workers from occupational exposures to them. However, HIV has been isolated from CSF, synovial, and amniotic fluid, and HBsAg has been detected in synovial fluid http://www.hydroflaskcanadasale.com/ , amniotic fluid, and peritoneal fluid. One case of HIV transmission was reported after a percutaneous exposure to bloody pleural fluid obtained by needle aspiration. Whereas aseptic procedures used to obtain these fluids for diagnostic or therapeutic purposes protect health-care workers from skin exposures, they cannot prevent penetrating injuries due to contaminated needles or other sharp instruments.


Body Fluids to Which Universal Precautions Do Not Apply


Universal precautions do not apply to feces, nasal secretions, sputum Hydro Flask Bottles Canada Sale , sweat, tears, urine, and vomitus unless they contain visible blood. The risk of transmission of HIV and HBV from these fluids and materials is extremely low or nonexistent. HIV has been isolated and HBsAg has been demonstrated in some of these fluids; however, epidemiologic studies in the health-care and community setting have not implicated these fluids or materials in the transmission of HIV and HBV infections. Some of the above fluids and excretions represent a potential source for nosocomial and community-acquired infections with other pathogens Hydro Flask Bottles Canada , and recommendations for preventing the transmission of nonbloodborne pathogens have been published.


Precautions for Other Body Fluids in Special Settings


Human breast milk has been implicated in perinatal transmission of HIV, and HBsAg has been found in the milk of mothers infected with HBV. However, occupational exposure to human breast milk has not been implicated in the transmission of HIV nor HBV infection to health-care workers. Moreover, the health-care worker will not have the same type of intensive exposure to breast milk as the nursing neonate. Whereas universal precautions do not apply to human breast milk, gloves may be worn by health-care workers in situations where exposures to breast milk might be frequent Hydro Flask Sale , for example, in breast milk banking.


Saliva of some persons infected with HBV has been shown to contain HBV-DNA at concentrations 11,000 to 110,000 of that found in the infected person's serum. HBsAg-positive saliva has been shown to be infectious when injected into experimental animals and in human bite exposures. However, HBsAg-positive saliva has not been shown to be infectious when applied to oral mucous membranes in experimental primate studies or through contamination of musical instruments or cardiopulmonary resuscitation dummies used by HBV carriers. Epidemiologic studies of nonsexual household contacts of HIV-infected patients Hydro Flask Canada Sale , including several small series in which HIV transmission failed to occur after bites or after percutaneous inoculation or contamination of cuts and open wounds with saliva from HIV-infected patients, suggest that the potential for salivary transmission of HIV is remote. One case report from Germany has suggested the possibility of transmission of HIV in a household setting from an infected child to a sibling through a human bite. The bite did not break the skin or result in bleeding. Since the date of seroconversion to HIV was not known for either child in this case, evidence for the role of saliva in the transmission of virus is unclear. Another case report suggested the possibility of transmission of HIV from husband to wife by contact with saliva during kissing. However, follow-up studies did not confirm HIV infection in the wife.


Universal precautions do not apply to saliva. General infection control practices already in existence -- including the use of gloves for digital examination of mucous membranes and endotracheal suctioning, and handwashing after exposure to saliva -- should further minimize the minute risk Hydro Flask Canada , if any, for salivary transmi

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