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. 2021 Sep 27;12:720437. doi: 10.3389/fmicb.2021.720437

FIGURE 6.

FIGURE 6

The presence and concentration of virulent virus in the lungs of vaccinated and unvaccinated hamsters. This figure shows data from the 3rd, 5th, 7th, 9th, 12th, and 14th DPI with the wild homologous SARS-CoV-2 virus, specifically the genomic RNA in the lungs (A), and virus isolation from the lungs in Vero cells. (B) Ct values between 10 and 33 are positive, while Ct values ≥ 33.1 are negative; 42 indicates the vaccinated group at 42 days after vaccination; 6 indicates the vaccinated group challenged 6 months after vaccination; ns indicates no significance; DPI, days post infection.