Chinanews.com, May 25. According to the US Chinese website, on the 24th local time, Pfizer said in a press release that the company is starting a new study on people who have been vaccinated to understand the simultaneous vaccination of pneumonia. The safety of the cocci vaccine candidate and the third dose of the new crown vaccine, and the effect after 6 months of vaccination.
On May 12, local time, at the COVID-19 vaccination site at the Citi Field home of the New York Mets baseball team, people lined up for vaccination.
According to reports, this test will also observe how the two vaccines affect the immune response produced by each vaccine when they are vaccinated together.
Pfizer is developing a vaccine candidate 20vPnC that helps prevent diseases caused by Streptococcus pneumoniae, such as pneumonia.
Pfizer's third dose of the new crown vaccine, the vaccine "booster", will seek FDA emergency use authorization in July.
The latest trial will recruit 600 adults aged 65 and over who were recruited from the Phase III clinical trial of Pfizer's new crown vaccine and received a second dose of the new crown vaccine at least 6 months before participating in this study.
Participants will be randomly divided into three groups: the 20vPnC and the third dose of the new crown vaccine group, the 20vPnC and the placebo group, and the third dose of the new crown vaccine and the placebo group.
Pfizer said that the first batch of subjects had completed the vaccination on the 24th.
Out of caution, the Centers for Disease Control and Prevention (CDC) previously recommended that the new crown vaccine should be vaccinated separately from other vaccines.
However, the agency recently stated that the new crown vaccine and other vaccines can be used regardless of the time interval.