Disease Index

Hepatitis C

What is Hepatitis C? Hepatitis C is a liver infection caused by the Hepatitis C virus (HCV). Hepatitis C is a blood-borne virus. Today, most people become infected with the Hepatitis C virus by sharing needles or other equipment to inject drugs. For some people, hepatitis C is a short-term illness but for 70%–85% of people […]

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Hepatitis B

What is Hepatitis B? HBV is a contagious viral disease that affects the liver. The disease ranges in severity from a mild illness lasting a few weeks to a serious, lifelong illness. HBV can be either “acute” or “chronic.” Acute HBV is a short illness (2-4 weeks) that occurs within the first 6 months after

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Hepatitis A

What is Hepatitis A? Hepatitis A, also known as infectious hepatitis, is a viral disease of the liver. The hepatitis A virus is relatively stable in the environment, and is easily spread to close contacts who are not immune. Hepatitis A in Publications Bulletin December 2019 Bulletin October 2020 Bulletin December 2019 Bulletin November 2009

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Hepatitis

What is Hepatitis? Hepatitis is an inflammation of the liver and is often caused by a virus.   There are 5 main hepatitis viruses, referred to as types A, B, C, D and E. These 5 types are of greatest concern because of the burden of illness and death they cause and the potential for outbreaks and epidemic spread. In particular, types

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Healthcare-associated infections (HAIS)

What are Healthcare-Associated Infections (HAIs)?  According to the World Health Organization (WHO), healthcare-associated infections (HAIs), or “nosocomial” and “hospital” infections, affect patients admitted to a hospital or other health-care facility. These infections are not present or incubating at the time of admission. They also include infections acquired by patients in the hospital or facility that

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Haemophilus influenzae type B

What is Haemophilus influenzae type B?  Haemophilus influenza type b (Hib) is a bacteria responsible for severe pneumonia, meningitis and other invasive diseases almost exclusively in children aged less than 5 years. It is transmitted through the respiratory tract from infected to susceptible individuals. Hib also causes potentially severe inflammatory infections of the face, mouth, blood, epiglottis,

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Gonorrhoea

What is Gonorrhoea? Gonorrhoea is a sexually transmitted disease caused by the bacterium Neisseria gonorrhoeae. Although many infected persons are asymptomatic, gonorrhoea is a major public health concern worldwide. Gonorrhoea in Publications Bulletin September 2016

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Enterococci

What are Enterococci? Enterococci are Gram-positive cocci that are part of the normal intestinal flora of humans and animals. Examples of species that are clinically important are Enterococcus faecalis and Enterococcus faecium, which cause a variety of infections including cellulitis, wound infections, endocarditis, urinary tract infections (UTIs), prostatitis, intra-abdominal infections and bloodstream infections. Some enterococci are naturally resistant to common beta-lactam

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