Home / Standards / NY/T 4820-2025 NY/T 4820-2025 Active 猪丁型冠状病毒感染诊断技术 Standard Type NY ICS N/A CCS N/A Status Active Issue Date 2025-12-09 Implementation 2026-05-01 Centralized Committee 农业农村部 Issuing Authority 农业农村部