Workers at a Baltimore plant manufacturing two coronavirus vaccines accidentally conflated the vaccines' ingredients several weeks ago, ruining about 15 million doses of Johnson & Johnson's vaccine and forcing regulators to delay authorization of the plant's production lines.
The company said its manufacturing ramp-up "includes test runs and quality checks to ensure manufacturing is validated and the end product meets our high-quality standards". Johnson & Johnson has moved to strengthen its control over Emergent BioSolutions' work to avoid further quality lapses.
Johnson & Johnson vaccine doses that are now being shipped nationwide were produced in the Netherlands, where regulators have fully approved operations, The New York Times reported.
"Here in MA, that'll be definitely north of 100,000 doses of J&J vaccine, and I can't tell you how important that is", Baker said.More news: Ontario premier: 'Don't make plans for Easter'
Emergent is also making the AstraZeneca vaccine which has yet to be authorized for use in this country.
President Joe Biden has pledged to have enough vaccines for all US adults by the end of May. Some additional doses may not yet have been recorded as delivered, and federal health officials said Wednesday that another 11 million doses of the vaccine would be available for shipments starting on Thursday.
Earlier in the day, Governor Charlie Baker said the state is set to receive more than 100,000 doses of the one-shot COVID-19 vaccine next week, a development he described as a "big deal".
Johnson & Johnson is now expanding its presence in the Emergent BioSolutions facility, according to the statement.More news: Suspect in Colorado shooting bought gun legally
"Our deliveries of J&J will be beginning at the end of April", she said during a press conference on Tuesday.
"Quality and safety continue to be our top priority", it said.
The Federal Emergency Management Agency this week launched a pilot program at the Hynes Convention Center's mass vaccination site, bringing an estimated 6,000 doses daily and federal personnel to help administer doses.More news: Australian PM promotes women in cabinet reshuffle amid poll slump