Public health & disease

From disease eradication efforts to advances in vaccination and maternal health, this archive tracks real progress in public health. Stories here focus on what’s working — policies, interventions, and research that are improving and extending lives around the world.

Back of a school bus, for article on electric school buses

Miami commits to putting 100 electric school buses on the road

By / / Good News For Humankind

Electric school buses are about to transform the daily commute for Miami-Dade students, with the district rolling out 100 of them thanks to a $19.1 million EPA grant, a Volkswagen award, and the school system’s own early investment. That makes it one of the largest electric school bus fleets in the country. The shift means cleaner air for kids waiting at the curb and quieter rides for the drivers behind the wheel, with no tailpipe emissions along the route. Miami-Dade’s blended funding approach — district dollars, federal support, and a corporate settlement — offers a model other communities can follow as the movement to electrify America’s roughly 480,000 school buses gathers speed.

Person having blood drawn, for article on Alzheimer's blood test

Breakthrough Alzheimer’s blood test could detect disease 15 years before symptoms emerge

By / / Good News For Humankind

A simple Alzheimer’s blood test trialed in Sweden can detect the disease’s biological signs up to 15 years before symptoms appear, matching the accuracy of a spinal tap in a study of 786 people. The test measures p-tau217, a protein that builds up in the blood as Alzheimer’s-related changes unfold in the brain. Researchers suggest it could one day be as routine as a cholesterol check for anyone over 50, replacing painful lumbar punctures and hard-to-access specialist scans. With one in three people born in the U.K. today expected to develop dementia, catching the disease early — while there’s still time to intervene — could transform how the world confronts one of its most feared illnesses.

A healthcare worker administering a vaccine to a young child in Africa for an article about malaria vaccine rollout, for article on malaria vaccine rollout

Cameroon launches the world’s first routine malaria vaccine program

By / / Good News For Humankind

Malaria vaccine rollout reached a historic milestone in January 2024 when Cameroon became the first country to administer the RTS,S vaccine, also known as Mosquirix, as part of a routine national immunization program. More than 662,000 doses began reaching children across the country, targeting a disease responsible for 95% of global malaria deaths, most among children under five. The moment caps over 35 years of development and a successful WHO recommendation in 2021. With 19 additional African countries planning to follow, the rollout could eventually protect millions of children each year.

Manhattan skyline, for article on medical debt relief

New York City plans to wipe out $2 billion in medical debt for 500,000 residents

By / / Good News For Humankind

Medical debt relief is coming to New York City in a big way: a new program will wipe out more than $2 billion in unpaid medical bills for as many as 500,000 residents, no application required. The city is spending $18 million over three years and partnering with the nonprofit RIP Medical Debt, which buys debt portfolios for pennies on the dollar and simply cancels them. Eligible families will just receive a letter letting them know their balance is gone. With roughly 100 million Americans carrying some form of health care debt, this kind of municipal action offers a hopeful template — one that treats medical debt not as private misfortune, but as something cities can actually help fix.

Doctor holding vial of HPV vaccine, for article on HPV vaccination

No cervical cancer cases in HPV-vaccinated women in Scotland

By / / Good News For Humankind

Scotland’s HPV vaccine programme has produced a landmark result: zero cervical cancer cases among women who got the full vaccine series at age 12 or 13. Researchers reached that finding by tracking every woman in Scotland eligible for cervical screening since the programme launched in 2008, making it one of the most comprehensive studies of its kind. Pairing early vaccination with routine screening is what’s driving the result, and Public Health Scotland says the combination could turn cervical cancer into a rare disease. For countries where cervical cancer still kills tens of thousands of women each year, especially those without strong screening systems, this is powerful proof that prevention at scale really works.

Person receiving shot in the arm, for article on melanoma cancer vaccine

Cancer vaccine with minimal side effects nearing Phase 3 clinical trials

By / / Good News For Humankind

A personalized cancer vaccine is heading into Phase 3 trials after a remarkable Phase 2 result: nearly 95% of advanced melanoma patients who received only the vaccine were still alive three years later. What makes Dr. Thomas Wagner’s TLPO vaccine so striking isn’t just the survival numbers — it’s the gentleness. Patients report little more than a sore arm and mild fatigue, a world away from the dread of chemotherapy. The vaccine is made from each patient’s own tumor cells, teaching their immune system to recognize cancer as the threat it is. If the larger trial holds up, it could reshape how we think about treating cancer everywhere — not as something to endure, but something to outsmart.

Mosquito, for article on Cape Verde malaria-free

Cape Verde is declared malaria-free

By / / Good News For Humankind

Malaria-free Cape Verde just became the first sub-Saharan African country to earn that distinction in over 50 years, after going three straight years without a single locally transmitted case. The small island nation got there through patient, decades-long work: training surveillance officers to catch cases early, controlling mosquito populations, and offering free diagnosis and treatment to everyone — including travelers and migrants arriving from the mainland. That last choice mattered enormously, since imported cases are often what reignites local outbreaks. Cape Verde joins only Mauritius and Algeria in reaching this milestone on the continent, and its playbook offers something hopeful for the rest of Africa, where malaria still claims hundreds of thousands of lives each year.

Person happily holding a trans pride flag, for article on gender-affirming care

Maryland to cover unprecedented number of gender-affirming procedures in “groundbreaking” win

By / / Good News For Humankind

Maryland’s Medicaid program now covers gender-affirming care that reaches far beyond hormones and surgery, including voice therapy, fertility preservation, hair and scar removal, and a wide range of procedures. Under a law that took effect January 1, 2024, patients can only be denied a covered service if a clinician finds it would harm their individual health — never on the basis of identity. The bill grew directly out of conversations at Pride festivals and support groups across the state, shaped by trans Marylanders describing the barriers they faced. For residents like Renee Lau, who had been saving toward surgeries she couldn’t afford, the relief is immediate. As other states move to restrict trans healthcare, Maryland offers a hopeful template for how Medicaid can meet people where they are.

Person receiving nasal spray, for article on intranasal COVID-19 vaccine

Novel nasal COVID-19 vaccine offers longer, better immunity than jabs

By / / Good News For Humankind

A nasal COVID-19 vaccine developed at Duke-NUS Medical School in Singapore is showing real promise: in hamster studies, it produced more central memory T cells than standard injections, hinting at protection that could last considerably longer. By delivering the vaccine right where the virus enters the body, researchers also saw stronger antibody responses against newly emerging variants. The team has filed a patent that covers other respiratory pathogens too, opening doors for future flu and RSV vaccines. Human trials are still ahead, but for anyone weary of frequent boosters — especially elderly and immunocompromised people — a needle-free shot offering broader, longer protection could meaningfully reshape how the world lives alongside evolving respiratory viruses.

Cancer cells, for article on multi-cancer blood test

New protein test can detect 18 early stage cancers, scientists say

By / / Good News For Humankind

A new blood test can screen for 18 different cancers at once — covering every major organ in the body — using a single ordinary blood draw. Researchers at U.S. biotech firm Novelna found the test caught 93% of earliest-stage cancers in male samples and 84% in female samples, while also pinpointing which organ the cancer came from in more than 80% of cases. Instead of hunting for tumor DNA, the team analyzed proteins in blood plasma, picking up faint signals before a tumor does visible damage. Larger studies are still needed before it reaches clinics, but a cheap, accurate, broad screening tool would be a quiet revolution for global health — especially in places where late diagnosis is still the norm.