The number of people killed by tuberculosis (TB) has risen for the first time in more than a decade, largely because fewer people have been tested and treated as resources were diverted to fight the COVID-19 pandemic, the WHO said on Thursday.
In its yearly report on TB, the UN health agency said that 1.5 million people worldwide died of the bacterial disease last year, a slight rise from the 1.4 million deaths in 2019.
Evidence of the ancient disease has been found in Egyptian mummies and it is believed to have killed more people in history than any other infectious illness; TB routinely kills more people every year than AIDS and malaria.
Photo: AP
The WHO also said that far fewer people were newly diagnosed with TB last year — 5.8 million versus 7.1 million in 2019.
The agency estimates that about 4 million people have TB, but have yet to be diagnosed, a rise from 2.9 million people the previous year.
The disease is caused by a bacterium that often infects the lungs and is highly transmissible when those sickened by it cough or sneeze. About one-quarter of the world’s population has a latent TB infection, meaning they carry the bacterium, but have not become ill and cannot transmit it. Those who harbor the bacterium have a 5 to 10 percent chance of eventually developing TB.
The disease is treatable if caught early, but drug-resistant versions have complicated treatment efforts and scientists are increasingly worried the bacterium will soon outpace available medicines.
The countries with the highest numbers of TB cases include Bangladesh, China, India, Indonesia, the Philippines, Nigeria and South Africa.
“We cannot accept that year after year, 1.5 million people die from the curable disease TB because they do not have access to the diagnostics and drugs that can save their lives,” said Stijn Deborggraev, diagnostics adviser for Doctors Without Borders’ Access campaign.
In a statement, Deborggraev said that access to testing was limited in many countries with high numbers of TB patients because they depend on tests made by the US company Cepheid, which he claimed was overcharging poorer countries for their tests.
He said that Cepheid had received more than US$250 million in public investment to develop its TB testing technology and has failed to make it accessible to those who need it most.
The company said they have made their test cartridges available to poorer countries “at low margin,” adding that they are “an active participant in the global fight against TB.”
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