Gavi @gavi.org · 4hThe super El Niño could bring dangerous heat across much of the world. But the human toll isn’t expected to be evenly shared: New projections identify Africa’s Sahel as the region facing the greatest loss of life. Here’s what makes this region vulnerable: bit.ly/4hx9NKL via the Conversation. 001
Gavi @gavi.org · 11hIn Kenya alone, an estimated 1.56 million people in Kenya are living with hepatitis B, yet fewer than 10% have been diagnosed. Inside one fisherman’s six-year experience of living with chronic hepatitis B: bit.ly/3VitUoCbit.lyLiving with chronic hepatitis B in KenyaMore than 10% of the people living in Migori County’s fishing communities are infected with hepatitis B, a vaccine-preventable virus that can cause liver failure and cancer. 034
Gavi @gavi.org · 29/09/2026Between 2023 and 2026, 21 million children received previously-missed vaccines through the Big Catch Up, an initiative by Gavi, @UNICEF and @WHO, working with countries. A huge milestone, and an achievement worth celebrating. 🧵 135
Gavi @gavi.org · 29/09/2026Pakistan is just one province shy of eliminating maternal and neonatal tetanus, with around 94% of the country’s population living in areas pushed below the elimination level. Here’s how targeted outreach helped health workers reach women in remote and insecure areas: bit.ly/4hSWk0b 063
Gavi @gavi.org · 28/09/2026Why do some people feel wiped out after a vaccine while others barely notice it? New research published in @ScienceMagazine suggests that part of the answer may lie in how active our innate immune systems are even before our vaccinations kick in. The explanation : bit.ly/4z1C3wf 002
Gavi @gavi.org · 28/09/2026Nearly one third of all dog-mediated human rabies deaths occur in Africa. In Tanzania, the Rabies Free Africa team is working to stop rabies at its source through mass dog vaccination and community education, helping reduce the risk to children. 🧵👇 164
Gavi @gavi.org · 25/09/2026A new study spanning 30 years and 194 countries and territories estimates that epidemics may be linked to the loss of around 17,500 health workers from the global workforce each year, with the greatest impact falling on countries that can least afford it. Read more: bit.ly/4rrqMTc 013
Gavi @gavi.org · 25/09/2026Bangladesh had once hoped to eliminate measles and rubella by 2020. Instead, the pandemic disrupted routine childhood vaccinations and left pockets of children vulnerable. Here’s why catching up children who missed vaccines is critical in Bangladesh and beyond: bit.ly/4yVnN7Z via The Conversationbit.lyBangladesh has lost 900 children to measles – a warning to other countries where vaccine rates have slippedAfter a pandemic-era collapse in vaccination, Bangladesh is racing to protect children from measles, but lasting protection depends on reaching 95% coverage. 054
Gavi @gavi.org · 24/09/2026Supply chains get vaccines to communities, but what does it take to get hesitant families to open their doors? In rural Nigeria, traditional village chiefs, imams and women leaders are helping bridge that final gap. Read the full story: bit.ly/4jgENRB 002
Gavi @gavi.org · 23/09/2026So far in 2026, the Americas have recorded more than 51,000 confirmed measles cases, the highest number in the last 22 years, according to PAHO. 🧵 255
Gavi @gavi.org · 23/09/2026Nepal’s flood was the first emergency. Now contaminated water, crowded shelters and damaged health facilities are raising concerns about infectious disease outbreaks with health teams racing to respond. Here’s a look at the current response on the ground in Nepal: bit.ly/3TGe6LS 155
Gavi @gavi.org · 22/09/2026Needles can be a real barrier to vaccination, but small changes can make the experience less stressful. Now, new guidance identifies 17 evidence-based strategies to reduce pain, fear and distress during vaccination. Read more: bit.ly/4iHXMEC 031
Gavi @gavi.org · 21/09/2026As El Niño intensifies Indonesia’s dry season, wildfires are spreading across parts of Borneo and Sumatra, blanketing communities in smoke. Here’s what prolonged smoke exposure can mean for children and families: bit.ly/4xwJASybit.lyEl Niño intensifies Indonesia wildfires, putting health at riskWildfires across Borneo and Sumatra are raising health risks for local populations, with some health offices reporting rising rates of respiratory disease. 001
Gavi @gavi.org · 21/09/2026Global health reform is back on the agenda this week at #UNGA81. But for reform to truly make a difference, health systems must work better for the people actually delivering and relying on care. Why reaching the last mile needs to be at the centre of global health reform: bit.ly/4An19XN 012
Gavi @gavi.org · 21/09/2026When vaccine supplies are scarce, doses tend to go where outbreaks are already spreading. With supply improving, countries with predictable cholera concerns can begin to vaccinate earlier, before the next expected rise in cases. How Bangladesh is shift from response to prevention: bit.ly/4rjZSwr 022
Gavi @gavi.org · 18/09/2026Public health 🤝 influencer culture In Liberia, social media personalities and pageant contestants used their Instagram and TikTok platforms to challenge vaccine rumours, answer questions and encourage families to get girls vaccinated against HPV. Here's how it went. 👇 211
Gavi @gavi.org · 18/09/2026For years, terrorism and insurgency cut off communities from routine healthcare in northeast Nigeria. In 2022, people began to notice a shift when health workers – escorted by soldiers – began making trips to villages once more. 121
Gavi @gavi.org · 17/09/2026The story of science is often told as a series of brilliant “eureka” moments. The reality is a lot more messy – failed plans, disproven theories and a lot of unanswered questions. A new book by Roberta Kwok explores science and discovery as it really happens: bit.ly/4h9NuKL via Undarkbit.lyBook Review: The Messy Business of Making Science HappenRoberta Kwok’s “Lost in Curiosity” makes the case for luck and hard work over eureka moments in advancing science. 011
Gavi @gavi.org · 17/09/2026When the seasonal rains arrive in Benin, the risk of malaria rises. For children with sickle cell disease, an inherited blood disorder, that threat can be particularly serious. Here’s how families are combining health interventions for extra protection: bit.ly/4h7tI2N 033
Gavi @gavi.org · 16/09/2026For more than a century, the world has relied on a single licensed TB vaccine. Next generation vaccines, expected from 2029, could help save an estimated 7.3 million lives and generate up to US$135 billion in economic benefits for low- and middle-income countries by 2050: bit.ly/4cHSJQL 165
Gavi @gavi.org · 16/09/2026Did you know? Two people can take the exact same dose of the exact same medicine and get very different results. One may improve while the other may feel little benefit at all. Why does that happen? This piece from the Conversation offers one potential reason why: bit.ly/3T4U1yAbit.lyPharmacogenomics: how your genes could help doctors choose the right medicine and doseYour genes can affect how some medicines work. A reusable result could help doctors prescribe more safely, alongside other clinical evidence. 023
Gavi @gavi.org · 16/09/2026Lassa fever can begin with symptoms that look a lot like malaria. That can make early diagnosis difficult and allow severe complications to develop. In Ondo State, Nigeria – which accounts for a third of the country's infections – here’s how the response is adapting to the threat: bit.ly/4xUTQEZ 012
Gavi @gavi.org · 15/09/2026The devastating floods in Nepal have taken lives, displaced families and put enormous pressure on communities and health workers already responding to the emergency. As recovery efforts continue, protecting communities from further health threats is critical. 🧵 111
Gavi @gavi.org · 14/09/2026Swine flu cases are rising across India, with several states reporting sharp increases in H1N1 infections. Health officials are urging people at higher risk of severe illness to stay alert, seek care early and keep flu vaccination up to date. Here’s what’s driving the surge: bit.ly/4hisKBT 124
Gavi @gavi.org · 11/09/2026Updated evidence from the Vaccine Integrity Project & American Medical Association delivers a clear message ahead of cold season: Immunisation remains a safe, effective shield against severe illness from flu, COVID-19 and RSV. 🧵 153
Gavi @gavi.org · 11/09/2026As the climate warms, one question is becoming harder to ignore: how can students learn when classrooms become dangerously hot? Here’s how floods, droughts and extreme heat can disrupt nutrition and healthcare in early life, with consequences that may last for years: bit.ly/3UKiiKL 001
Gavi @gavi.org · 10/09/2026Healthcare should be accessible to everyone. In Kenya, Community Health Promoters are learning Kenya Sign Language to help families navigate pregnancy, vaccination and other essential care. The full story: bit.ly/4ytmUDC 002
Gavi @gavi.org · 10/09/2026For cocoa farmers in rural Côte d’Ivoire, basic healthcare can be hard to reach due to cost and distance. A new partnership is changing that, bringing care closer to farming communities while working through the country’s existing health system. Here’s how: bit.ly/4xGglxn 001
Gavi @gavi.org · 09/09/2026RSV causes an estimated 100,000 deaths among children under five each year, with around 97% occurring in lower-income countries. Now, the @WHO has given its stamp of approval to a multidose formulation of the maternal RSV vaccine for protecting infants. Here’s why it matters: bit.ly/4gWgRAr 013
Gavi @gavi.org · 09/09/2026The bad news: a tropical mosquito known to transmit viruses like Zika, dengue and chikungunya has been found breeding in London for the first time. The good news: the immediate risk of catching one of these viruses in London is still very low. The full story: bit.ly/3V2Nrcp via The Conversationbit.lyA mosquito that can transmit Zika has bred in London – but that doesn’t mean the virus is spreading in people thereThe immediate risk is very low. The discovery shows how warmer weather may change Britain’s defences against mosquito-borne disease. 002
Gavi @gavi.org · 08/09/2026When lab tests confirmed cases of the deadly Bundibugyo ebolavirus disease in Uganda in May this year, health authorities moved fast to control the spread and save the lives of the infected. Now, Uganda has officially confirmed the end of the outbreak. Here’s how: bit.ly/4qWXADo 033
Gavi @gavi.org · 08/09/2026In a new op ed for the Telegraph, Gavi’s CEO Dr Sania Nishtar explains how the launch of the world’s first global mpox vaccine stockpile marks an important step forward for global preparedness: www.telegraph.co.uk/global-healt... 121
Gavi @gavi.org · 07/09/2026Could your night-time cough help predict the next wave of flu or COVID 19? A pilot study in England suggests it might. 🧵 112
Gavi @gavi.org · 07/09/2026On many separate occasions in the early 1700s, an enslaved West African person in America told a white person how smallpox could be prevented through inoculation. Their knowledge helped shape the early history of immunisation in the Americas: bit.ly/3SOidoO 043
Gavi @gavi.org · 07/09/2026When an mpox outbreak strikes, countries need rapid access to vaccines that can help to stop the disease in its tracks. Enter: the launch of a global mpox vaccine stockpile, which aims to give all countries worldwide faster and more predictable access to vaccines during outbreaks: bit.ly/3UEv39Cbit.lyHow a new global mpox vaccine stockpile could help the world respond faster to outbreaksThe launch of a global mpox vaccine stockpile creates a long-term mechanism to ensure timely and equitable access to vaccines during outbreaks. 022
Gavi @gavi.org · 04/09/2026Six airport workers in Frankfurt contracted malaria, with two of them succumbing to the disease, despite not travelling to a country where malaria is endemic. One theory? An infected mosquito may have arrived by plane. It’s extremely rare, but not unheard of. Here’s what we know: bit.ly/4ixywRe 022
Gavi @gavi.org · 04/09/2026In the urban Indian communities of Bihar and Uttar Pradesh, researchers worked with families and health workers to uncover the household, social and economic pressures shaping vaccination decisions, then designed solutions around them. The full story: bit.ly/4cl3I2o via JSI 001
Gavi @gavi.org · 03/09/2026Why do some people react so badly to mosquito bites, while others are seemingly unaffected? The answer may surprise you: bit.ly/4h6jq3W via The Conversationbit.lyWhy do some people react so badly to mosquito bites? The answer lies in mosquito salivaA mosquito bite may seem like a minor summer irritation, but it reflects a complex interaction taking place in the immune system. 011
Gavi @gavi.org · 03/09/2026In Keralam, India, monsoon season brings a rise in dangerous acute diarrhoeal diseases like shigellosis. With no vaccine currently available and antibiotic resistance making treatment more difficult, health teams are racing to find cases early and stop infections from spreading: bit.ly/4qM5XS5 111
Gavi @gavi.org · 02/09/2026During previous mpox emergencies, unequal access to vaccines left lower-income countries at a disadvantage. Soon, a new stockpile of mpox vaccines will be available to all countries worldwide, with operations starting later this month. Read more: bit.ly/3V8CqGp 133
Gavi @gavi.org · 02/09/2026How much sun exposure is too much? That’s exactly the question that science journalist Rowan Jacobsen investigates in his new book. Read the review from Undark: bit.ly/4gNDTt9bit.lyBook Review: Our Conflicted Relationship with the SunRowan Jacobsen argues “In Defense of Sunlight” that moderation — not fear — should shape our attitudes toward exposure. 001
Gavi @gavi.org · 02/09/2026In mid-2025, Malawi ran a reactive measles and rubella vaccination campaign that immunised more than 2.2 million children. Despite that achievement, the country has continued to register infections, with nearly 700 confirmed cases reported by the middle of this year. The latest: bit.ly/4cRxuMe 101
Gavi @gavi.org · 01/09/2026Kenya’s booming second-hand clothing trade clothes millions of people and supports an estimated 2 million livelihoods. But a big share of the garments that can’t be reused ends up in landfills. Nairobi’s largest dumpsite receives an estimated 86 tonnes of textile waste every day. (1/2) 112
Gavi @gavi.org · 01/09/2026In coastal Kenya, health teams are using a multi-pronged approach to identify MPOX cases quickly, protect those at greatest risk and reduce opportunities for the virus to spread. Here's how that layered approach is shaping the response on the ground at in Mombasa: bit.ly/4iDZfLS 131
Gavi @gavi.org · 01/09/2026Have we been underestimating the toll of antimicrobial resistance? The largest study of its kind from the Lancet followed nearly 10,000 hospital patients across 19 Asian countries and 41 hospitals and revealed a much bigger toll from drug-resistant infections than previously recognised. (1/2) 242
Gavi @gavi.org · 31/08/2026A pair of comedians are using jokes, skits and live performances in Uganda to draw families into relatable conversations about immunisation, with health workers on hand to answer questions. Here’s how laughter is helping boost vaccine uptake: bit.ly/3UIgJwJ 022
Gavi @gavi.org · 31/08/2026For most of his childhood, disabled five-year-old Joshua had missed several important vaccines, leaving him vulnerable to vaccine-preventable diseases. Here’s how local health teams, supported by Gavi and PATH, helped connect Joshua with the essential services he had been missing: bit.ly/4xnYrPNbit.lyFinding Joshua: the hidden children immunisation campaigns must reachIn Busia County, one family’s story shows how stigma, disability and missed vaccines can leave children unprotected – and why catch-up campaigns must find every child. 012
Gavi @gavi.org · 31/08/2026Why do some people respond more strongly to vaccination than others? A new study suggests part of the answer may already be circulating in our blood, with certain antibodies from past infections acting as markers of how “immune ready” someone is. Dig into the science: bit.ly/4hSCT9h 111
Gavi @gavi.org · 29/08/2026"Please don't kiss the baby." It’s one of the most difficult requests for new parents to make of visiting friends and family. But for newborns that one boundary can help protect them from the very real risk of serious infections with life-long complications. What you need to know: bit.ly/4wqmixP 022
Gavi @gavi.org · 28/08/2026One of the biggest challenges in delivering vaccines to those who need them is keeping them at the right temperature. A new report asked immunisation experts in 33 countries what would make it easier for them to deliver vaccines to their people. Here’s what they said. 🧵 102