It is time to start solving the mystery of Long Covid, an aspect of the pandemic blighting millions of lives, the World Health Organization’s leader on post-Covid conditions told AFP. Little is known about why some people, after coming through the acute phase of Covid-19, struggle to recover and suffer ongoing symptoms including tiredness, brain fog, cardiac and neurological disorders. At this stage of the pandemic, the world is fixated on vaccine roll-out and new, more contagious variants of the coronavirus. However, Long Covid deserves similar urgent attention, said Janet Diaz, the clinical care lead in the WHO’s emergencies programme, ahead of a push for a globally-unified approach to the problem. “We still don’t fully understand what Long Covid is,” Diaz told AFP in an interview outside the WHO’s headquarters in Geneva. “There’s quite a bit to learn, but I am confident that the scientific community is really rallying around.” Tellingly, Long Covid does not yet have a pr...