Three years of COVID-19… what are the lessons learned?

The world has been in a pandemic for three years and the health authorities are still working to discover the origin of the coronavirus, as well as the new protocols that help reinforce and solve the failures made visible in the health systems during the emergency. Although the restrictions are a thing of the past, experts believe that letting your guard down would be a mistake, which is why they insist on booster vaccination as an effective measure to combat future variables. What is the path of recovery? This and more in V360 of the Voice of America.