Compositions for preservation of viral vectors

A preservation composition for preserving viral vectors, comprising a first preservation reagent and a second preservation reagent,

• wherein the first preservation reagent comprises sucrose at a concentration of 100 g/L to 250 g/L, potassium dihydrogen phosphate or sodium dihydrogen phosphate at a concentration of 0.8 mmol/L to 1.2 mmol/L, disodium hydrogen phosphate or dipotassium hydrogen phosphate at a concentration of 2.6 mmol/L-3.2 mmol/L, and sodium chloride at a concentration of 8.5-10 g/L,
• wherein the second preservation reagent comprises sucrose at a concentration of 100 g/L to 250 g/L, albumin at a concentration of 40 g/L to 300 g/L, sodium caprylate or potassium caprylate at a concentration of 4 mmol/L to 20 mmol/L, sodium N-acetyltryptophan or potassium N-acetyltryptophan at a concentration of 4 mmol/L to 20 mmol/L, potassium dihydrogen phosphate or sodium dihydrogen phosphate at a concentration of 0.1 mmol/L-1.2 mmol/L, disodium hydrogen phosphate or dipotassium hydrogen phosphate at a concentration of 0.5 mmol/L-3 mmol/L, and sodium chloride at a concentration of 1.5-10 g/L.