Spain and Italy, the New York region, delayed their response, just as Japan and Sweden are doing today, resulting in the severity of the pandemic in these countries and regions. This pandemic is showing the earlier you act to lockdown, quarantine, use contact tracing and isolation of clusters method, the better it is with fewer people infected and fewer deaths. This is the single most important lesson of this crisis, which health experts worldwide, including Dr Birx, head of the White House Response, and Dr. Fauci, never get tired of repeating.