第二個鏈接裏的文章，是“僅僅是根據幾十個案例得出的”嗎？

Among the more than 274,000 residents who received Pfizer, 1,385 cases were reported, representing 0.51%, according to the data analysis, and 589 cases were reported among the more than 190,000 people who got Moderna, representing 0.31%.

第二個鏈接裏的文章，這是幾十個案例嗎？