Dr Natalia Pasternak
Faith Uwadiae
Dr Sarah Merrifield
Leonie Mayer
Dr Ayede Ologun
Julio Sempere
Samantha Vanderslott
Dr Omon Imohi
Dr Bnar Talabani
Dr Ahmad Abou Tayoun
Rômulo Neris
Dr Dennis Bente
Dr Anita Raja
Dr Paul F. McKay
Andrea Mazzella
Dineo Thaele & Matshidiso Sello
Dr Meenal Viz & Dr Nishant Joshi
Dr Walid Zaher
Daniela Ferreira
Purvi Parikh
Wasim Syed
Professor Galit Alter
André Báfica
Sean Elias
Ashree Singh
Professor Shiv Pillai
Jeanine du Plessis
Dr Nighat Arif
Shamaila Anwar
Dr Alex Bowmer
Dr Nathan Spence
Dr Simone Richardson
Dr Monica Peres Oikeh
Dr Anna Blakney
Dr Ajay M Verma
Natali Serafin
Björn Meyer
Juan Ambrosioni
Dr Vicky Baillie
Dr Will Budd
Dr Chintal Patel
Dr Paul Ian Cross
Dr Karan Rangarajan
Dr Soha Albayat
Federica Cappuccini
Jaqueline Goes de Jesus
Dr Partha Kar
Dr Kiran Morjaria
Nathan Peiffer Smadja
Gabriel Carrasco
Dr Punam Krishan
Dr Gustavo Cabral
Dr Katrine Wallace
Dr Mohan Sekeram
Dr Asher Williams
Leticia Monin
Tyler Kuhk (AKA thatsassynp)
Dr Ruby Raphael
Dr Jamie Parker
Featured Guides
These volunteers are making short videos on TikTok and Instagram to explain their part in the vaccine effort.
@drpunamkrishan
Dr Punam Krishan
Dr Punam Krishan is a Scottish NHS General Practitioner, Clinical lecturer, writer and media medic with a specialist interest in mental health, women and children’s health and lifestyle medicine.
Punam is involved in the vaccination roll out at her practice and also being from a south asian background, she has been involved in educating her community around vaccine hesitancy as well as in the media.
Punam is a Glasgow girl with an Indian heart, a mum to two young children (one of whom was born in lockdown!). She is fluent in Hindi, Punjabi and Urdu. And also a keen runner and a qualified meditation teacher.
@thecovidexperience
Jeanine du Plessis
Jeanine du Plessis is a medical scientist working at the Vaccine and Infectious Disease Analytics (VIDA) research unit in South Africa. Currently she is working on multiple Covid-19 related studies including sentinel hospital surveillance, adult and paediatric Covid-19 associated mortality study and the Oxford vaccine trial – ChadOx-1. She has laboratory experience in forensic toxicology, microbiology and molecular biology.
@andre.bafica.science
André Báfica
André Báfica is coordinating Rede IMUNOVIDa, a network researching new strategies for the development of a Covid-19 vaccine.
André is an Associate Professor of Immunology at Federal University of Santa Catarina and Director for the South Region of the Brazilian Society for Immunology, where he carries out several innovative projects and runs a research group focused on understanding the mechanisms involved in the pathogenesis of diseases, such as tuberculosis.
André has a PhD in Human Pathology from Fundação Oswaldo Cruz (CPqGM) and a post-doctorate in Immunology from the National Institutes of Health, USA.
@nathanpsmad
Nathan Peiffer Smadja
Nathan Peiffer-Smadja is a physician specialised in Internal Medicine and Infectious Diseases, a fellow of the French Society of Infectious Diseases, a PhD candidate in Public Health and a Honorary Clinical Research Fellow at Imperial College London. He is currently living in France and has worked on the Covid-19 Vaccine for over 6 months.
@my_lil_happinness
Dr Ruby Raphael
Dr Ruby Raphael is a Senior Doctorate of Medicine Resident at the Department of Clinical Pharmacology and Therapeutics, Nizam’s Institute of Medical Sciences, Hyderabad, India. She is a part of Nizam’s Institute of Medical Sciences vaccine trial team currently running phase 1, 2 & 3 clinical trials for development of COVID-19 vaccine. This study will contribute to the understanding of safety and efficacy of the vaccine.
@anna.blakney
Dr Anna Blakney
Dr. Anna Blakney is Assistant Professor at the University of British Columbia and a former research fellow at Imperial College London. The Blakney Lab is a multidisciplinary group of engineers, immunologists and molecular biologists investigating the interactions between RNA, biomaterials and the immune system to prevent and treat disease. During the pandemic she focused on vaccine formulation and testing to determine whether it was safe and immunogenic.
On top of her long hours in the lab, Blakney wants to help spread accurate info about the vaccine. “I think, as academics, we have a duty to educate not only other students and scientists but the public as well,” she says. “I think it’s largely changed now but, at the beginning of the pandemic, the lag time between what was going on with the science and the public knowing about it was really long. So I made it my mission to get the word out there.
@epidemiologistkat
Dr Katrine Wallace
Dr. Wallace holds a Ph.D. in Epidemiology and has 15+ years of professional research experience in epidemiology, research design, pharmacoepidemiology, health economics, outcomes research, and biostatistics.
She is currently working as an epidemiologist and adjunct assistant professor of epidemiology at the University of Illinois at Chicago, School of Public Health.
Dr. Wallace also serves as a consultant to non-profit health organizations, the pharmaceutical industry, and managed care companies.
She has been an invited speaker in the US and internationally, and has presented research at over 20 scientific congresses.
Dr. Wallace has also been featured in several mainstream media outlets such as; Good Morning America, National Public Radio, and Parade Magazine
@drjamieparker
Dr Jamie Parker
Dr Jamie W R Parker MBBChir MRCGP MA (Cantab) is a General Practitioner (GP) based in Nottingham and working in the NHS, helping deliver the Covid-19 vaccines to his patients.
Jamie has been a Senior GP for 10 years, he trained at Cambridge University, and became a fully qualified GP through the Nottingham Vocational Training scheme, in 2010.
On the first day of lockdown, March 2020, Jamie wrote and performed a cover of Disney’s Frozen hit “Let it Go”, “Stay at Home” on his Twitter account. He did this to try and help publicise the importance of the ‘stay at home’ message and social distancing in preventing the spread of the coronavirus. The song went viral, and before he knew it, he was on local and national TV and radio, including Sky News, The Chris Evans Breakfast Show and BBC1, being dubbed ‘Nottingham’s singing doctor’. Jamie has since become a regular GP sofa guest on the BBC breakfast show, appearing weekly throughout the pandemic, trying to spread important messages in a calm and measured way.
Jamie lives with his family and three children in Nottingham, and loves the outdoors, sport, and music.
Community
Follow the people working on all aspects of science that will make these coronavirus vaccines safe and effective
@vmcorman
Victor M. Corman
@mishra_gayatree
Gayatree Mishra
@ShotAtLife
Shot@Life
@VirusesImmunity
Prof. Akiko Iwasaki
@DrTimMastro
Dr Tim Mastro
@otavio_ranzani
Otavio Ranzani
@ProfKatieEwer
Prof Katie Ewer
@michaelmina_lab
Michael Mina
@SheuliPorkess
Sheuli Porkess
@paolo_bonanni
Paolo Bonanni
@microelisa
Elisa Ramos Sevillano
@RebeccaChandle1
Rebecca Chandler 
@HIVpxresearch
AVAC
@ProfHeidiLarson
Heidi Larson
@ombaggio
Ombretta Baggio 
@Jyotira14998206
Jyotiranjan Sahoo
@ShabirMadh
Shabir Madhi
@DrDanEpstein
Dan Epstein 
@ragoninstitute
Ragon Institute
@VenkataraoDr
Dr E Venkata Rao
You can help too
Thousands of volunteers around the world are signing up to help trial these vaccines to make sure they’re safe and effective.
Find a trial near you
About
Team Halo is an effort to support and celebrate the inspiring collaboration between scientists all over the world to help us end this pandemic with safe and effective vaccines.
The ‘halo’ represents the ring of connected science that circles the globe.
All participation is voluntary. If you’re involved in the vaccine search and would like to be listed on this site, please get in touch.
Team Halo was established as part of the United Nations Verified Initiative in partnership with The Vaccine Confidence Project at the University of London’s School of Hygiene and Tropical Medicine. It is proud to collaborate with the Vaccine Alliance and GAVI. Support is provided by Luminate and IKEA Foundation.