WHO Recommends New Guidelines For Preventing TB

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World Health Organization (WHO)

By; MATTHEW UKACHUNWA, Lagos

World Health Organization (WHO) has released new guidelines containing a range of innovative approaches to scale up access to Tuberculosis (TB) preventive treatment.

In the guidelines, WHO recommended a scale-up of TB preventive treatment among populations at highest risk, including household contacts of TB patients, people living with HIV and other people at risk with lowered immunity or living in crowded settings.

WHO also  recommended an integration of TB preventive treatment services into ongoing case finding efforts for active TB. 

“All household contacts of TB patients and people living with HIV are recommended to be screened for active TB. If active TB is ruled out, they should be initiated on TB preventive treatment.

“WHO recommends that either a tuberculin skin test  or interferon-gamma release assay (IGRA) be used to test for TB infection. Both tests are helpful to find people more likely to benefit from TB preventive treatment but should not become a barrier to scale-up access. 

“Testing for TB infection is not required before starting TB preventive treatment in people living with HIV, and children under 5 years who are contacts of people with active TB,” the international authority on public health stated in a Press release. 
The disease, WHO maintained, remains the world’s top infectious killer.

WHO  recommended new shorter options for preventive treatment in addition to the widely used six months of daily isoniazid, stressing that the shorter options that are now recommended range from a one month daily regimen of rifapentine plus isoniazid to three months weekly rifapentine plus isoniazid, 3 months daily rifampicin plus isoniazid, or 4 months of daily rifampicin alone.

“As people around the globe come together to commemorate World TB Day, WHO is calling on governments, affected communities, civil society organizations, health-care providers, donors, partners and the industry to unite forces and step up the TB response – notably for TB preventive treatment – to ensure no one is left behind,” said Dr Tereza Kasaeva, Director of WHO’s Global TB Programme. “The new WHO guidance shows the way forward for millions to rapidly access new tools and shorter, safer options for preventive treatment. The time for action is now.”

According to WHO, TB preventive treatment is an affordable intervention that can prevent families from sliding into poverty and preserve the health and economy of whole communities. 

It anticipated that as new and safer drugs come onto the markets, and as prices fall, it will become a highly-cost effective way to save millions of lives.
WHO said its new guidance will help countries accelerate efforts to stop people with TB infection becoming sick TB by giving them preventive treatment.
It expressed concern that a quarter of the world’s population is estimated to be infected with TB bacteria.

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