Hepatitis B and C Cause 1·3 Million Deaths Every Year

by Bidita Debnath on  November 1, 2017 at 11:52 PM Research News
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The main hepatitis viruses fall into five different types: A, B, C, D, and E. Chronic hepatitis B and C are life-threatening infectious diseases that cause serious liver damage, cancer, and premature death.
 Hepatitis B and C Cause 1·3 Million Deaths Every Year
Hepatitis B and C Cause 1·3 Million Deaths Every Year

More than 300 million people are infected with hepatitis B or hepatitis C and are at risk of developing escalating health problems. These infectious diseases cause 1·3 million deaths every year and are responsible for more than half of all new cases of liver cancer and one in every 12 cancer deaths. Whereas the burden of other major infectious diseases such as HIV, tuberculosis, and malaria is decreasing as a result of consistent large-scale global investment, viral hepatitis has been neglected, resulting in ever increasing numbers of people dying from hepatitis B and C.

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Despite the size of the challenge and the years of inaction, in 2016 WHO member states signed up to the goal of eliminating hepatitis B and C as a public health threat by 2030, now just 13 years away.

This critical target was agreed because well evidenced solutions for the prevention and treatment of hepatitis B and C exist. Vaccination provides highly effective protection against hepatitis B, safe blood and infection control should be the basis of any health system, and harm reduction works. Existing treatment can effectively manage hepatitis B and prevent liver cancer, and new treatments can cure hepatitis C in nearly all patients.

However, efforts to address viral hepatitis are only just beginning. Few countries have established national plans that make treatment and prevention available for all patients. A lack of national and international investments in viral hepatitis programmes, especially in low-income and middle-income countries, mean that even fewer countries have a national plan that is properly funded. As a result, the vast majority of patients remain undiagnosed--91% of those with hepatitis B and 80% of those with hepatitis C--and only 1% are able to access treatment.

Even the birth dose hepatitis B vaccine, which can cost less than US$0·20, is not still used in many countries in Africa and the eastern Mediterranean region. Part of the problem is that hepatitis B and C are silent epidemics with few obvious symptoms for many years and often hit children and marginalised populations the hardest. Hepatitis B continues to spread unnoticed from mother to child at birth, putting infants at high risk: 80-90% of babies infected with hepatitis B will develop chronic disease and one in four will die of liver-related causes during adulthood.

Additionally, in low-income and middle-income countries, millions of people have been and continue to be infected, inadvertently and unnoticed, in health-care settings via the use of unsterilised equipment and unscreened blood transfusions. People living with HIV are also hard-hit by hepatitis B and hepatitis C, as are other stigmatised or marginalised groups with poor access to care, such as people who inject drugs, migrants, and indigenous populations. The commitment to eliminate hepatitis B and hepatitis C by 2030 matters because it offers the opportunity to prevent approximately 36 million infections and save 10 million lives.

Furthermore, as well as delivering on Sustainable Development Goal (SDG), it offers broader progress towards other SDGs, particularly targets to end poverty, ensure good health and wellbeing, and reduce inequalities. Improving access to prevention and treatment services can help protect patients against catastrophic health-care costs and productivity losses. At the same time, many countries will realise cost savings from the elimination of hepatitis B and C. Elimination would help ensure healthy futures for children; protect, empower and reduce stigma among marginalised populations; and support and protect commitments to HIV-positive populations. In an era where the emphasis is more on strengthening health systems than on vertical programmes, viral hepatitis elimination will require many interventions that are crucial for health system strength.

Enhanced infection control services, including injection and blood safety and vaccination for health workers, will improve quality standards in health systems and reduce transmission of health-care-acquired illnesses for both patients and providers. Improved hepatitis B immunisation can help increase coverage of other childhood vaccinations and ensure that newborn babies receive appropriate postnatal care. Prevention of mother-to-child hepatitis B transmission can improve access to perinatal care, ensure healthy pregnancies, and promote institutional deliveries. Harm reduction efforts will help prevent the spread of blood-borne viruses such as HIV and syphilis.

Given the immensity of the task of eliminating hepatitis B and C--diagnosing more than 300 million people stands out as a particular challenge--donors are going to be essential. Domestic funding is unlikely to be able to deliver the results in the 13 years that remain till 2030. None of the big global donors shows any sign of committing to viral hepatitis. However, they are beginning to look at HIV/hepatitis C co-infection and both UNITAID and the UK's Department for International Development (DFID) are supporting market-shaping programmes for hepatitis C. Continued advocacy with donors is needed to support prevention interventions, which almost all positively affect health systems as a whole, and we recommend that donors provide GAVI with the financing required to fund the hepatitis B birth dose.

Donors are needed to lay the groundwork for elimination in low-income and middle-income countries by supporting research and policy efforts to develop national hepatitis plans; providing financing and funding for the scale-up of cost-effective interventions; and supporting product and procurement investments to drive down drug and diagnostic prices and bring new technologies to market.

Hepatitis B and C can be eliminated but, given that in most countries the work is only just starting, there is not a moment to lose.

Source: Eurekalert

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