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

Virus Outbreak-Viral Questions-Pandemic Changes
Posted at 7:21 AM, Mar 10, 2022
and last updated 2022-03-10 07:21:58-05

Two years after the pandemic began, more countries are shifting toward a return to normal and learning to live with the virus.

Safe and effective vaccines have been developed and experts know a lot more about how to keep the coronavirus under control since it emerged in late 2019.

Some questions remain about the virus. Studies are underway to better understand long COVID-19, which can persist for months after an initial infection.

And scientists are on the lookout for the next fast-spreading variant.