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Epidemiology of Tuberculosis and Progress Toward Meeting Global Targets

Medikoe Health Expert

Medikoe Health Expert

  Koramangala, bengaluru, karnataka, india, Bengaluru     Jul 29, 2021

   2 min     



Globally, tuberculosis (TB) is the leading cause of death from a particular infectious disease agent involving people living with human immunodeficiency virus (HIV) infection. 

  • A World Health Organization (WHO) initiative, The End Tuberculosis Strategy, set challenging targets for 2020-2035, including a 20% decline in TB incidence and 35% decline in the absolute number of TB deaths by 2020 and a 90% decline in TB incidence and 95% decline in TB deaths by 2035, compared with 2015. This report estimated global progress toward these targets based on data recorded by WHO. 
  • Annual TB data routinely reported to WHO by 194 member states were used to determine TB incidence and mortality overall and among people with TB-preventive treatment (TPT) initiation, HIV infection, and drug-resistant TB for 2018. 
  • In 2018, an approximated 10 million persons had incident TB, and 1.5 million TB-related deaths happened, representing 2% and 5% reductions from 2017, respectively. 
  • The number of people with both incident and prevalent TB remained highest in the WHO South-East Asia and African countries. Reductions in the European countries were on track to reach 2020 targets. 
  • Worldwide, among people living with HIV, 862,000 incident TB cases occurred, and 1.8 million persons started TPT. 
  • Rifampicin-resistant or multidrug-resistant TB appeared among 3.4% of people with new TB and 18% among people who were previously treated for TB (overall, among 4.8% of people with TB).
  • The modest reductions in the number of people with TB and the number of TB-related deaths were consistent with recent trends, and new and substantial progress was witnessed in raised TPT initiation among people living with HIV. 

However, to reach the global targets for 2035, more intensive efforts are required by public health partners to reduce TB incidence and deaths and raise the number of persons undergoing TB curative and preventive treatment. Innovative strategies to case finding, scale-up of TB preventive treatment, usage of newer TB treatment regimens, and prevention and control of HIV will contribute to lowering TB.

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Tags:  bacterial infections,tuberculosis, TB cases, HIV infection, TB and HIV, TB global, TB deaths, TB patients

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