This argument takes a rose-tinted view of state behaviours and motivations. Much of this will hinge on the time it takes to solve the crisis, produce a vaccine, and allow normal life to resume.
It is just as likely that the virus will give rise to stronger forms of nationalism. Countries such as Hungary, are already experiencing a growth in inward-looking policies focused on the nation.
As Ian Goldin writes, "Far from empowering the United Nations, the world is governed by divided nations, who prefer to go it alone, starving the institutions designed to safeguard our future of the necessary resources and authority. The WHO shareholders, not its personnel, have failed dismally to ensure it can exercise its vital mandate to protect global health."