As COVID — especially the Delta variant — surges among the fully vaccinated, Brian Hooker, Ph.D., said the more the variant deviates from the original sequence used for the vaccine, the less effective the vaccine will be on that variant.
Johnson & Johnson, AstraZeneca, and Oxford University are teaming up with outside scientists to consider whether modifications to their Covid-19 vaccines would lower risk of serious blood clotting associated with their shots.
A contract plant that was producing materials for Johnson & Johnson’s (J&J) CCP virus vaccines failed to meet sanitary standards, according to federal health authorities.
The Johnson & Johnson and AstraZeneca COVID vaccines are under the microscope for their potential to cause blood clots, but scientists warn Pfizer and Moderna vaccines pose similar risks.
Concerns over adverse reactions, blood clots, reports of breakthrough COVID cases in vaccinated people, vaccine contamination and scrutiny over CEO pay have plagued the roll-out of the company’s COVID vaccine.
A vaccination site in Wake County, North Carolina, paused operations on Thursday after 18 adverse reactions to the Johnson & Johnson CCP virus vaccine were reported, officials said.
A mass vaccination site in Colorado was shut down and 600 people with appointments turned away after 11 people experienced reactions, but state officials say side effects were “consistent with what’s expected.”
The mix-up at a Baltimore manufacturing plant forced regulators to delay authorization of the plant’s production lines and prompted an FDA investigation.
As media cheered emergency approval of J&J’s COVID vaccine and the company’s plans to team up with Merck on production, there was little mention of safety concerns or the two companies’ criminal track records.
