A survey by a national research group found that the new coronavirus vaccine showed more symptoms such as malaise and headache after the second vaccination than the first vaccination.
A research group of the Ministry of Health, Labor and Welfare has reported post-inoculation symptoms for approximately 19,000 health workers who received the first Pfizer vaccination and approximately 3,900 who received the second vaccination. I summarized it.
According to it, most of the symptoms were more common after the second vaccination, and 23% of the people with "malaise" were confirmed after the first vaccination, compared with 67% after the second vaccination. ..
In addition, 21% of people confirmed "headache" after the first inoculation, while 49% of the second inoculation and those who had "fever" of 37 degrees 5 minutes or more after the first inoculation. Was 3% and the second time was 36%.
The time of onset was highest on the day after inoculation for both the first and second inoculations.
Suminobu Ito, a visiting professor at Juntendo University School of Medicine, who is the representative of the research group, said, "I don't know why there are more symptoms after the second vaccination." In many cases, I would like you to consider taking a break from work the next day, especially after the second vaccination. "