Fauci explained that RNA viruses, such as coronaviruses, mutate all the time.

When you get more cases, you’re going to get more hospitalizations.

And when you get more hospitalizations, you’re ultimately going to get more deaths."

Anthony Fauci at Jan. 21 White House press briefing

Alex Wong / Staff / Getty Images

For now, Fauci said the vaccines authorized and in development for COVID-19 remain effective.

The United States must be able to quickly identify and understand emerging variants," the report says.

The CDC is getting the system tooled up to get more isolates sequenced, she said.

Most of the vaccines funded by the federal government target the coronaviruss spike protein, neutralizing it with antibodies.

The vaccines are also designed to target several prongs on the spike protein.

“Every year, we choose influenza strains to put in the vaccine.

The ability to change is something we do every year.

For the most recent updates on COVID-19, visit ourcoronavirus news page.

Centers for Disease Control and Prevention.COVID-19 Variants.