The *Open Vial Policy* allows for the reuse of partially used multi-dose vials of certain vaccines in subsequent immunization sessions, up to a specified timeframe (usually 28 days for many vaccines), provided certain conditions are met. This policy aims to minimize vaccine wastage, especially in resource-limited settings. 𝗩𝗮𝗰𝗰𝗶𝗻𝗲𝘀 𝗻𝗼𝘁 𝗳𝗼𝗹𝗹𝗼𝘄𝗶𝗻𝗴 𝗼𝗽𝗲𝗻 𝘃𝗶𝗮𝗹 𝗽𝗼𝗹𝗶𝗰𝘆 (Discard within *4hrs* after reconstitution) *BCG* *Yellow fever* *Rabies* *Measels* *Covid* *JE(live)* Target Norcet 9🎯 KNO📕