How Has The COVID-19 Pandemic Changed After 2 Years?

As of early March, 10 vaccines have been cleared for emergency use by the World Health Organization.

How has the COVID-19 pandemic changed after two years?

More countries are shifting toward a return to normal and learning to live with the virus. Safe, effective vaccines have been developed and there's better understanding of how to treat people sickened by the virus.

Two years after the pandemic began, questions remain about the coronavirus. But experts know a lot more about how to keep it under control.