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.

Could bird flu be quietly spreading undetected worldwide?

H5N1 could cause asymptomatic infections, meaning it could spread – and evolve – undetected, making it harder to fight.

6 Nov 2025

5 min read

Bird flu Influenza

Chicken feed from a bucket of grain. Credit: Arisa Chattasa/ Unsplash

Displaying 1 - 12 of 344

Vaccination against coronavirus. Credit: Way Home Studio/Freepik

Study suggests mRNA COVID-19 vaccines can improve chances of cancer survival

31 Oct 2025

4 min read

COVID-19 Research summary

Health worker measuring a patient's blood preassure. Credit: nappystudio via Unsplash

Six reasons why community health workers are the unsung heroes of global immunisation

28 Oct 2025

5 min read

Health worker heroes

Blue and white plastic Covid-19 vaccine vials. Credit: Daniel Schludi

New data underlines impact of COVID-19 booster vaccines

23 Oct 2025

3 min read

COVID-19 Research summary

A girl with a health worker during a HPV vaccination session in Eswatini. Credit: Gavi/2025/Svetlomir Slavchev

New research finds HPV vaccine delivers herd immunity, protecting unvaccinated women

1 Oct 2025

3 min read

HPV Spotlight on HPV

A mother holds her child while attending a measles vaccination session in the Tigray Region of Ethiopia. Credit: Gavi/2024/Mulugeta Ayene

Do multiple vaccines overload a child’s immune system? Here’s what the science says

26 Sep 2025

4 min read

Facts and information

A health worker applies a bandage for another health worker who has just received a vaccine. Credit: Centers for Disease Control and Prevention (CDC)

Behavioural nudges could cut vaccine hesitancy in health workers

28 Aug 2025

3 min read

COVID-19 Facts and information

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

Why millions of children still miss life-saving vaccines

22 Aug 2025

3 min read

Routine immunisation Zero-dose children

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

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

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