Priya Joi

Priya Joi is a British-Indian science writer based in Barcelona. She was previously a staff writer and editor at the World Health Organization, The Lancet, and New Scientist magazine. She has a degree in genetics.

Why millions of children still miss life-saving vaccines

Too many children remain unvaccinated. A new study charts a course to change.

22 Aug 2025

3 min read

Routine immunisation Zero-dose children

A child held by its mother after receiving the necessary doses of vaccines as part of the Reach Zero Dose Children (ZDC) campaign in Somalia. Credit: Gavi/2024/Mohamed Abdihakim Ali

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A healthcare worker prepares the mpox vaccine at the Lwiro Hospital mpox treatment centre in South Kivu province, DRC. Credit: Christian Mirindi Johnson

How a new global vaccine stockpile will help to counter the ongoing mpox threat

19 Aug 2025

4 min read

Mpox Spotlight on stockpiles

Aedes aegypti mosquito biting a human. Credit: US Department of Agriculture

Larvae-eating fish and anti-mosquito drones: China battles largest-ever chikungunya outbreak

15 Aug 2025

3 min read

Chikungunya

A health worker preparing Covid-19 vaccination for a young girl who came for the vaccination in a government vaccination center in F9 Park Islamabad, Pakistan, this is the only facility in the country where people can ask to be administered a vaccine of their choice. Credit: Gavi/Asad Zaidi

Did the pandemic increase vaccine confidence?

31 Jul 2025

4 min read

COVID-19 Research summary

Syringe extracts vaccine dose. Credit: Centers for Disease Control and Prevention (CDC)

Major new study finds no health risks from aluminium in childhood vaccines

24 Jul 2025

4 min read

Vaccine safety Facts and information

Nipah virus particle. Credit: National Institute of Allergy and Infectious Diseases

Nipah vaccines set to enter human trials

15 Jul 2025

6 min read

Nipah Vaccine development Climate change

Senegal Introduces Hexavalent Vaccine into its National Immunization Programme, 1 July 2025. Credit: WHO

A six-in-one vaccine is rolling out in low-income countries: here’s why it’s a game-changer

11 Jul 2025

5 min read

Routine immunisation

Mosquito rests on a leaf. Credit: Eric Karitis

Malaria deaths spiked during the pandemic, study finds

8 Jul 2025

4 min read

Malaria COVID-19

Cervix: human papillomavirus infection. Credit: Wellcome Collection.

HPV poses ongoing threat for older women, study finds

4 Jul 2025

3 min read

HPV

Mosquito resting on a leaf. Credit: Skyler Ewing

Genetic ancestry linked to severity of dengue fever, study finds

3 Jul 2025

4 min read

Dengue Research summary

Virus particles. Credit: National Institute of Allergy and Infectious Diseases

Six things you need to know about how vaccines fight antimicrobial resistance

1 Jul 2025

6 min read

Antimicrobial resistance

Girls sitting in a classroom in Bangladesh. Credit: Gavi/2023/Ashraful Arefin

Six ways the HPV vaccine is saving lives

20 Jun 2025

4 min read

HPV

Chikungunya vaccine could prevent millions of cases, finds global study

18 Jun 2025

3 min read

Chikungunya

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