Vaccinating the Amazon: Hundreds of Indigenous languages, climate, terrain and more all complicate a massive effort

Tuberculosis is still a rampant problem in the developing world. Doctors are looking for even more advanced ways to test for TB beyond the GeneXpert tests.

Slow test results make it difficult to stop the spread of tuberculosis. Using faster diagnostic technology and driving vans to rural areas in Tanzania, GeneXpert is making progress in treating this curable disease.

Although patients go to hospitals to receive medical care, many Americans will acquire infections that did not already have them. The United States as a whole has made modest progress at reducing the rates of hospital-acquired infections. Spearheading the efforts, the Veterans Affairs Medical Centers have devised anti-MRSA strategies to keep patients safe.

For decades, AIDS has taken the lives of millions of people and infected millions more worldwide. The key to reducing the effect of AIDS, and even potentially curing it, involves treating patients as early as possible after being diagnosed with HIV, before the disease damages organs. San Francisco General Hospital developed the RAPID program for this purpose, with the goal of “Getting to Zero” the number of new infections and deaths.

In light of a study published in BMC Medicine, authors Nancy Fullman and Alexandra Wollum take a deeper dive into Nigeria’s gains against polio and what they could mean for the country’s routine vaccine systems.

Native American student graduation rates are much lower than that of any other demographic. The Red Cloud school teaches students on a reservation in South Dakota about the Lakota history to empower the kids and encourage resilience.

After a devastating cyclone changed the nature of local soil, NGOs preserved Indian rice crops by reintroducing traditional rice varieties that can be cultivated even in salt-ridden earth. Although some first met this idea with skepticism, many farmers have now adopted the practice after witnessing the success of the crops.

Three African countries are successfully reducing the transmission of HIV through treatment and education, surpassing many developed countries in reducing cases. Although each is unique, the key lessons include using comprehensive, community-based approaches and strategies that involve collective action.

In the developing world, intestinal worms stunt physical and mental growth, drain energy, and can inhibit school work for children. Deworm the World is a global campaign that lobbied the Delhi government to regularly distribute deworming pills to school children. The benefits decrease student absenteeism and increase cost-saving measures.

Two columns on how Iran is treating its massive epidemic of injecting drug use by tackling it as a health problem, effectively lowering H.I.V. rates among drug users using an approach to drugs known as harm reduction.