Research letters

Yan Cheng, Clare Boerma, Lucy Peck, Jessica R Botfield, Jane Estoesta and Kevin McGeechan

Kunwardeep S Bhatia, William Gaal, Leonard Kritharides, Clara K Chow and Ravinay Bhindi, on behalf of the AUS‐COVID Investigators

Louise A Keogh, Lyle C Gurrin and Patricia Moore

Emily Brennan, Sarah Durkin, Michelle M Scollo, Maurice Swanson and Melanie Wakefield

Fergus Stafford, Gregory J Dore, Shawn Clackett, Marianne Martinello, Gail V Matthews, Jason Grebely, Anne C Balcomb and Behzad Hajarizadeh

Hazel J Clothier, Yonatan M Mesfin, Steven Strange and Jim P Buttery

Brynley P Hull, Alexandra J Hendry, Aditi Dey, Kerin Bryant, Catherine Radkowski, Stephen Pellissier, Kristine Macartney and Frank H Beard

Jacina Walker, Alyssa Pyke, Paul Florian, Rachael M Rodney Harris and Gulam Khandaker

Guilherme S Franco, Rae‐Anne Hardie, Ling Li, Chisato Imai, Gorkem Sezgin, Julie Li, Adam McLeod, Christopher Pearce and Andrew Georgiou

Eloise Williams, Katherine Bond and Deborah A Williamson

Adeleke D Adewumi, Joemer C. Maravilla, Rosa Alati, Samantha A Hollingworth, Xuelei Hu, Bill Loveday and Jason Connor

Katerina V Kiburg, Andrew I MacIsaac, Andrew Wilson, Vijaya Sundararajan and Richard J MacIsaac

Reny Segal, William PL Bradley, Daryl Williams, Romulo Correa de Araujo Nunes and Irene Ng

Michael Dinh, Owen Hutchings, Kendall Bein, James Shaw, Aditi Raut, Saartje Berendsen Russell, Dianna Jagers, Rajip Thapa, Gregory Fox, James Edwards, Timothy Wand and Warwick Britton

Lara A Harvey, Ian A Harris, Rebecca J Mitchell, Adrian Webster, Ian D Cameron, Louisa R Jorm, Hannah Seymour, Pooria Sarrami and Jacqueline CT Close

Daniel Haustead, Dylan J Toh, Benjamin Reddi, Emily Kirkpatrick, Emily Rowe, Pamela Outhwaite, Elizabett Harnack, Michael Cusack and Megan Brooks

Paulina Stehlik, Kylie Alcorn, Anna Jones, Sanmarie Schlebusch, Andre Wattiaux and David A Henry

Mustafa Mian, Subhashaan Sreedharan and Sarah Giles

Hilarie Tardif, Christopher Hayes and Samuel F Allingham

Eleanor Redwood, Karice Hyun, John K French, Leonard Kritharides, Mark Ryan, Derek P Chew, Mario D'Souza and David B Brieger

David R Darley, Gregory J Dore, Lucette Cysique, Kay A Wilhelm, David Andresen, Katrina Tonga, Emily Stone, Anthony Byrne, Marshall Plit, Jeffrey Masters, Helen Tang, Bruce Brew, Philip Cunningham, Anthony Kelleher and Gail V Matthews

Matthew J Lennon, Rose Kennedy, Hannah Ryan, Dennis R Neuen and Melissa Godwin

Luc te Marvelde, Rory Wolfe, Grant McArthur, Louis A Blake and Sue M Evans

Janet K Sluggett, J Simon Bell, Catherine Lang, Megan Corlis, Craig Whitehead, Steven L Wesselingh and Maria C Inacio

Aimee Lefevre, Ingrid Hopper, John J McNeil and Alice Owen, for the ALSOP Complementary Medicine Research Group*