Dr. Sanjay Gupta: After two years of Covid-19 vaccines, here's why they're still vital | CNN In the United States, approximately 658 million Covid-19 vaccine doses have been administered since they were first distributed exactly two years ago Wednesday. Dr. Sanjay Gupta CNN

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Urgent Need for Next-Generation COVID-19 Vaccines This Viewpoint argues that the development of a distinctly improved generation of SARS-CoV-2 vaccines is paramount to offering a greater breadth and depth of protection for a longer duration against COVID-19 disease. JAMA_current

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Omicron subvariants that more easily dodge immunity are causing more than 70% of U.S. infections

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The BQ.1 and BQ.1.1 subvariants taken together are now responsible for 68% of new cases, according to data published by the Centers for Disease Control and Prevention on Friday. The XBB subvariant is causing 4.7% of new Covid infections.

Scientists, in several independent studies, have described the BQ and XBB subvariants as more adept at evading immunity from vaccination and infection than prior versions of the virus.

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ALSO SEE: Antivirals—not monoclonal antibodies—neutralize Omicron BQ.1.1, XBB