德國也有做，但是是相隔十週以上。（雖然只有 61 人） Similarly, Leif Erik Sander, an infectious disease expert at the Charité University Hospital in Berlin, and colleagues found that 61 health care workers given the two vaccines in the same order, but 10 to 12 weeks apart,
produced spike antibodies at levels comparable to a control group that received two doses of Pfizer-BioNTech at the standard 3-week interval, and had no increase in side effects.
Similarly, Leif Erik Sander, an infectious disease expert at the Charité University Hospital in Berlin, and colleagues found that 61 health care workers given the two vaccines in the same order, but 10 to 12 weeks apart,