Tuberculosis is second only to Covid as the deadliest infectious disease over the last few years. But only in poorer countries: for more than 50 years, TB has been rare in wealthier countries. One of the reasons for this has been better housing and ventilation., eight countries account for two-thirds of all new TB cases: India , Indonesia , China , Philippines , Pakistan , Nigeria , Bangladesh , and South Africa . South Africa is second only to Lesotho in per capita prevalence.
Over the decades that followed, TB deaths started to become even less prevalent. By 1952, it was the ninth most common cause of death, responsible for 24,000 deaths, or 1.6% of the total, and by 1954 it was no longer in the top ten at all. In 2019,South Africa is about a century behind the US.
Survival rates improved all around with the introduction of TB medicines in the 1950s and 60s. These drastically improved the odds of a patient surviving TB disease.Hermans, Horsburgh and Wood’s research shows that living conditions in much of Cape Town, including overcrowded housing and malnutrition, have kept transmission going while it was effectively halted in the first world.
The researchers say that better understanding is needed about the role of separate sleeping spaces for children, good ventilation in transport and schools, and TB screening to interrupt transmission.of the WHO Global Tuberculosis 2021 Report in the International Journal of Infectious Disease confirmed the role of poverty in the spread of the disease.
About half of South Africa’s TB cases in 2018 were people living in informal settlements, according to a
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