A group such as the National Center for Global Health and Medicine said that people infected with the new coronavirus Omicron strain may be positive in the PCR test that is generally performed for about 10 days even if they are vaccinated. I reported.
Even if the symptoms are mild due to the vaccine, the virus may remain for the same period as those who have not been vaccinated, so it is important to take measures against infection.
Groups such as the National Center for Global Health and Medicine conducted daily PCR tests on 11 patients aged 1 to 64 years infected with the Omicron strain.
In the PCR test, a part of the virus gene is amplified, and in Japan, if the number of amplification is about 35 and the gene is sufficiently detected, it is said to be infected with the new coronavirus.
Of the 11 patients, 10 except one child were vaccinated twice and all were mild, but the analysis showed that it took 10.6 days until they were not detected even after 35 amplifications. I did.
The group said that even if the symptoms are mild after vaccination, the virus may remain for the same period as those who have not been vaccinated, and it is important to continue to take measures against infection such as wearing a mask and ventilation. is.
Dr. Sho Saito, who summarized the study, said, "The patient was mild, but since the virus is shed for a certain period of time, it is quite possible to infect the elderly at home, etc. Reduce the infection to high-risk people. We need action. "