Here's when the US will see a lot more vaccine doses

Millions more Covid-19 vaccines are on the way.

Moderna, Pfizer and now Johnson & Johnson will deliver enough doses to fully vaccinate 130 million people -- more than one-third of the US population -- by the end of March, the pharmaceutical companies told a House subcommittee last week.

Moderna plans to deliver 100 million doses by the end of the month, said Dr. Stephen Hoge, the company's president. It'll deliver another 100 million by the end of May and 100 million more by the end of July.

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