Although a higher reporting rate was observed in 2023 compared with 2021 (RR = 1.40, 95% CI: 0.88–2.38), this difference did not reach statistical significance ( p = 0.182).
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Safety of an SV-1 Cell Line-Based Varicella Vaccine Before and After Integration into the Expanded Program on Immunization: A Real-World Study in Jiangsu Province, China.
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0.1820
0.1820