Five years ago, Spain entered a strict lockdown to combat the spread of COVID-19, marking a turning point in global history.

The pandemic reshaped how we live, work, and connect, but its transformative power has been uneven.

While teleworking and public health awareness surged, CO₂ emissions and daily routines largely returned to pre-pandemic norms.

The crisis highlighted the importance of global scientific cooperation, leading to rapid vaccine development and advances in mRNA technology.

However, experts warn that public health systems remain underprepared for future pandemics.

Long COVID continues to affect many, with lingering symptoms and emotional scars.

As we reflect on this period, the question remains: are we ready for the next global health challenge?.