From blackouts, a racing heart, extreme fatigue and brain fog, to severe depression and anxiety, DVL Padma Priya was hit with a constellation of symptoms in 2020, just months after recovering from COVID-19.

But without a name for her condition, or support from health professionals, she said she struggled to understand what was wrong.

¡°I intuitively felt it had something to do with COVID because my health spiralled after that. But I wasn¡¯t getting any answers,¡± Priya, 38, said by telephone from Brisbane, where she moved last year from the southern Indian city of Hyderabad.