ReThink History: The White Plague Returns

Machines can now watch a dose being swallowed. Yet the largest tuberculosis trials yet run, more than 25,000 patients in four countries, found that smart pillboxes and coded labels did not improve treatment outcomes. So what does?

This final episode looks at the machines built to observe a dose: software that reads a face on a phone camera, a pill that reports itself from the stomach, and a pillbox that sends a signal when it is opened. It asks what the trials actually found, for tuberculosis and for medicines in general, and what ethicists say about autonomy, surveillance, bias and who owns the data. It makes the strongest case against all of it, aimed squarely at the compiler's own project to build a pill-dispensing system that documents compliance, and closes with a measured verdict on the series' thesis: that tuberculosis returns whenever a society stops watching.

In this episode:

• Ingestible sensors, smart pillboxes and phone-camera AI

• What the trials found

• Autonomy, surveillance, bias and data

• The case against the compiler's own project

• The verdict

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/CPAAHFSDcnw

Directly observed therapy moved from a nurse on a doorstep to a camera on a phone. What did we gain, and what did we lose?

This episode follows the first videophone pilot in Tacoma, the binational pilot in San Diego and Tijuana, and New York City's program and randomized trial; the London trial that found video observation beat in-person observation at actually being done; the Moldova trial; and how the CDC and the World Health Organization came to accept it. It looks at India's low-cost pill-envelope phone-call system and the evaluations that found it less accurate than hoped, the four-country trials that found digital tools did not improve treatment outcomes, and Alaska's video guidelines and the bandwidth that limits them.

Then the strongest case against: that a phone check-in is surveillance, a new divide, coercion by other means and a lost relationship.

In this episode:

• From Tacoma to London: the video trials

• India's 99DOTS and what the evaluations found

• Alaska's guidelines and bandwidth

• The case against the camera

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/K_a9sxmu-so

In 2020 U.S. tuberculosis counts fell by a fifth. It wasn't a victory. The people who track the disease had been sent to fight COVID-19.

Then the count climbed for four straight years to the highest level in more than a decade. One outbreak in Kansas City, Kansas, grew into one of the largest in recent American history, and was brought to an end by the oldest tool in the field. This episode looks at the public-health workforce after the pandemic, at what the 2025 and 2026 federal budget and staffing changes did and did not do to tuberculosis control at home and abroad, as of early October 2026, and at why the World Health Organization once again counts TB as the leading single infectious killer on Earth.

In this episode:

• The 2020 drop and why it misled

• Four years of rising counts

• The Kansas City, Kansas outbreak

• Budget and staffing changes, as of October 2026

• TB as the world's leading infectious killer

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/3GH3NC73Rxc

What happens when a patient with active tuberculosis arrives for surgery and nobody tells the team?

A retired anesthesiologist recalls patients with active TB arriving in Anchorage operating rooms between 2010 and 2016 without the team being told. This episode explains why an operating room is a particular place for an airborne disease, drawing on the federal guidance of 2005, and what happened in other hospitals when tuberculosis went unsuspected.

It asks why disclosure fails, from the research and from Alaska's own history, without blaming patients; how records may not travel between a tribal health system and a private hospital in the same city; and it sets Alaska's written policy on directly observed therapy beside what one clinician says he saw.

In this episode:

• One clinician's account, in his own words

• Why operating-room airflow matters for TB

• Unsuspected TB in other hospitals

• Why disclosure fails, and why distrust has a history

• Records that don't travel, and the written policy

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/VaT3sEq703k

Watch the patient swallow every dose. It became the world's standard for treating tuberculosis. Does the watching itself cure anyone?

A Czech epidemiologist who caught TB in a concentration camp built the system in Tanzania. World Bank arithmetic, a World Health Organization emergency declaration and a four-letter brand carried it around the world. The United States wrote it into its own guidelines in 1993, 2003 and 2016, and Alaska runs it village by village with paid lay observers and community health aides.

Then the evidence: the best randomized trials, summarized in a 2015 Cochrane review, found that the act of watching, on its own, did not clearly raise cure rates.

In this episode:

• Karel Styblo and the Tanzania model

• How "DOTS" went global

• Observed therapy in U.S. guidelines

• Village observers and health aides in Alaska

• What the Cochrane review found

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/o2LhafCj-Ow

In 1978 New York City recorded its fewest tuberculosis cases ever. In 1992 it counted 3,811.

A dismantled control program met the AIDS epidemic, mass homelessness, crowded shelters, jails and prisons. Drug-resistant strains spread through hospital wards and a state prison system. Under Health Commissioner Margaret Hamburg and Dr. Thomas Frieden of the Bureau of Tuberculosis Control, the city answered with observed therapy and incentives, and with locked detention under an amended Health Code.

This episode counts what it cost and how far cases fell, and gives full weight to those who warned that compulsion was being aimed at the poor.

In this episode:

• How a city forgot a disease

• Drug-resistant TB in hospitals and prisons

• Watching every dose, with incentives and practical help

• Detention under the Health Code

• The cost, and the critics

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/-vOPngZQt3I

In 1959 the United States declared it would finish tuberculosis off. Then, as the numbers fell, it stopped paying for the work.

Having won the drugs, the country emptied its sanatoria. At Arden House it set the goal of elimination. In the early 1970s the money set aside for TB disappeared into broader grants, and the know-how went with it. The national count reached its lowest point in 1985 and then turned upward, with HIV, homelessness and failing clinics driving tens of thousands of cases that should never have happened. A Newark tuberculosis physician named the pattern the "U-shaped curve of concern."

Was moving money away from a shrinking disease neglect, or sound stewardship? This episode gives both sides.

In this episode:

• Emptying the sanatoria

• The Arden House promise of 1959

• Block grants and the end of dedicated TB money

• 1985 to 1992: the rebound

• Lee Reichman's U-shaped curve of concern

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/BBo7Ai67X2Q

The first drug that could cure tuberculosis came out of a dish of soil microbes. Within a few years the bacterium was already learning to resist it.

This episode follows a graduate student's experiment at Rutgers that became streptomycin, and the British trial decided by sealed envelopes that proved it worked and, in the same report, showed resistance appearing. Para-aminosalicylic acid and isoniazid made combination therapy possible. Then a study of the poorest families in Madras showed that the cure could be given at home, and discovered that some of the pills were not being swallowed.

It is the decade that produced the miracle, and the complacency and adherence problem the rest of the series has to reckon with.

In this episode:

• Albert Schatz, Selman Waksman and the credit dispute

• The first patient cured at the Mayo Clinic

• The Medical Research Council's sealed-envelope trial

• Isoniazid and combination therapy

• Madras, home treatment and the urine test that found missed doses

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/WHhWTM2EAtc

After World War Two, Alaska fought tuberculosis by taking the sick away, often without telling their families where or why.

Tuberculosis became the leading cause of death among Alaska Native people. Hospital ships, X-ray surveys, the Alaska Native Service and distant sanatoria from Sitka to Seattle answered by removing patients, sometimes for years. Then the drugs, village health aides and George Comstock's Bethel isoniazid trials turned the epidemic, and gave the whole world a way to prevent TB. The hospital built to fight it passed into Alaska Native hands.

This episode is told with care and from Native sources, and it asks why Alaska's own health officials still name that history when they talk about distrust today.

In this episode:

• The epidemic and the evacuations

• Mount Edgecumbe, Seattle and the sanatoria far from home

• The Bethel isoniazid trials

• Community health aides and the Native-run health system

• Why the history still shapes trust

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/_bO8rFYZ19w

Before antibiotics, the cure for tuberculosis was to lie still on a cold porch for months. Did it work?

A dying New York doctor in the Adirondack woods turned a German idea into an American movement. This episode visits life on the cure porch, the penny Christmas seal that paid for it, and the surgeons who collapsed lungs to rest them. It follows New York City as it learned to register the sick and, when it judged it necessary, to hold them against their will. It asks who was given a bed and who was not, and what tuberculosis did inside the Indian boarding schools.

And it weighs the hardest question: was a cure that cured little still worth the cost?

In this episode:

• Trudeau, Saranac Lake and the cure porch

• The Christmas seal

• Collapsing a lung to rest it

• Registration, removal and detention in New York

• Tuberculosis in the Indian boarding schools

New here? Start with Episode 1, The Disease We Thought We'd Beaten, at the top of the playlist.

Watch on YouTube: https://youtu.be/NlpJz0PmFaU