Why the need for the WHO has never been greater

TL;DR - A Nature commentary argues that the WHO is increasingly essential because diseases cross borders and pandemics, climate change, and conflicts require coordinated international action.

• Cross-border health threats cannot be addressed effectively by individual nations alone.
• Pandemics, climate change, and conflicts are presented as major drivers of collective health risks.
• The limited excerpt provides no specific evidence, policy proposals, or technical findings.