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近十年来,全球脊髓灰质炎报告病例数大大降低,但要彻底消灭病毒,还需进行大规模免疫运动.口服脊髓灰质炎疫苗经济有效,应加强冷链确保免疫效果.
Over the past decade, the number of reported cases of poliomyelitis worldwide has been greatly reduced, but a large-scale immunization campaign is still required to eliminate the virus completely. Oral polio vaccine is cost-effective and the cold chain should be strengthened to ensure the immune effect.