Pfizer, Moderna Executives Say Vaccine Supplies Are Increasing

Executives at Pfizer and Moderna said the companies are increasing their supply of coronavirus vaccines, with shipments expected to double and possibly triple in the coming weeks, according to congressional testimony released Monday.

In a prepared statement to be made before a House subcommittee on Tuesday, John Young, Pfizer’s chief commercial officer, is expected to say that the company plans to increase its delivery capacity from 4 to 5 million doses per week to more than 13 million in mid-March.

Moderna expects to double its monthly delivery capacity to 40 million doses by April, according to Dr. Stephen Hoge, president of the company. Moderna has so far delivered 45 million doses, says Hoge’s testimony.

Young attributed the increased offering to “significant investments” that Pfizer made at various manufacturing sites and other improvements.

The United States exceeded 500,000 deaths from coronavirus and doubts remain about the equity in the distribution of vaccines. The Biden administration said this month it was increasing supplies for low-income communities and people of color who have been severely affected by the virus.

The Food and Drug Administration authorized the emergency use of the vaccines, which use mRNA and are more than 90 percent effective after two doses, last year.

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