Tem alguma pergunta sobre o vírus ou vacina COVID-19? Obtenha respostas de quem trabalha para impedir a propagação e os danos da COVID-19 em todo o mundo. Pergunte-lhes qualquer coisa.

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We are volunteer scientists and healthcare professionals from around the world, working to end this pandemic by contributing our time to address concerns and public health misinformation.

Our #TeamHalo videos bring you accurate, up-to-date facts on the safety & effectiveness of the Covid-19 vaccines and other public health issues.

In response to the COVID-19 pandemic, Team Halo was established as part of the United Nations Verified initiative in partnership with Purpose and the Vaccine Confidence Project at the University of London’s School of Hygiene and Tropical Medicine. Support is provided by Luminate, IKEA Foundation, Rockefeller Foundation and Capgemini.

Guias em Destaque

Estas são as muitas faces, vozes diversas e mentes brilhantes por trás da Equipe Halo.


Dr Natalia Pasternak

Natalia Pasternak is a microbiologist, with a PhD and post-doctorate in Microbiology, in the field of Bacterial Genetics at the University of São Paulo, Brazil. She is the former director in Brazil of the international festival of scientific communication “Pint of Science” (UK), columnist for the Brazilian national newspaper “O Globo”, for The Skeptic magazine… continue reading.


Dr Nighat Arif

Dr Nighat Arif is a NHS General Practitioner (GP) who has been working on the Covid-19 frontline caring for patients and has contracted Covid-19 herself. Now Dr Nighat’s surgery is administering Covid-19 vaccines.  Dr Nighat is a family GP specialising in women’s health and family planning.  She is based in Buckinghamshire and is able to… continue reading.


Dr Samir Gupta

Dr Samir Gupta is a Respirologist, Clinician-Scientist and Associate Professor at the University of Toronto. He completed his medical training at McGill University before specializing in Respirology at the University of Toronto. He has a Master’s degree in Clinical Epidemiology and a fellowship in Knowledge Translation Research. Samir has always had a specific interest in… continue reading.


Dr Kiran Morjaria

O Dr. Kiran Morjaria é médico júnior e comediante sediado em Manchester. Ele está trabalhando na linha de frente, admitindo e tratando pacientes com Covid-19. Em seu tempo livre, ele é voluntário em um centro de vacinação Covid-19 como vacinador. Kiran se formou na Faculdade de Medicina de Leeds em 2017, onde recebeu a bolsa de estudos SPARK para... continuar lendo.



Siga os Guias #TeamHalo para vídeos sobre as vacinas COVID-19 com suporte científico e compartilhável.


Karnyart K Samnuan


Elisa Ramos Sevillano


Prof. Akiko Iwasaki


Dr. Krutika Kuppalli


Jason Kindrachuk


Dr. Angela Rasmussen


Interested in learning more?

If you’re a scientist, healthcare professional, or potential partner who would like to get involved, please get in touch.