*Why is the world still being hit by wave after wave of Covid when we know how to stop it?*

*Covid pandemic was preventable, says WHO-commissioned report.*

At the start of 2020, the virus existed, but quick action could have prevented it from infecting very many people.

Originally, the flaws in the response were due to political leaders. Now, however, they have taught millions of people to believe fake news, react irrationally, and sabotage public health measures.

The next new pathogen may be even worse if we are not disciplined enough to keep it away.