Last year, around 8 million people were diagnosed with tuberculosis (TB), the highest number ever recorded by the World Health Organization (WHO). The death toll was staggering, reaching 1. 25 million people, which is almost double the number of people killed by HIV in the same year. This grim statistic signals that TB might once again be the deadliest infectious disease, taking over from COVID-19 during the pandemic.

Most TB cases are concentrated in Southeast Asia, Africa, and the Western Pacific. Countries like India, Indonesia, China, the Philippines, and Pakistan account for more than half of the global cases. The leader of WHO, Tedros Adhanom Ghebreyesus, described the situation as an outrage, emphasizing that we have the necessary tools to prevent, detect, and treat TB.

Despite the grim outlook, there is a glimmer of hope. The number of TB deaths has been declining worldwide, and the rate of new infections is starting to stabilize. However, the problem of drug-resistant TB remains significant. Out of the estimated 400, 000 people with this form of the disease, only a fraction—less than half—were diagnosed and treated.

TB is caused by bacteria spread through the air, primarily affecting the lungs. Astonishingly, about 25% of the world's population is believed to have latent TB, but only a small percentage, around 5-10%, develop symptoms.

Advocacy groups like Doctors Without Borders have been pushing for more accessible TB testing. They've specifically targeted the U. S. company Cepheid, which manufactures tests used in lower-income countries. These groups want the tests to be made available for just $5 per test to increase their availability globally. Recently, they sent an open letter to Cepheid, urging them to prioritize people's lives and expand TB testing efforts worldwide.

TB Cases Hit 8 Million in 2023: A Global Crisis

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