No	Query	Results
#1	“vaccine management” or “vaccine stock management”	74
#2	(“drug storage”/exp or “drug storage”) and (“vaccine”/exp or vaccine or “vaccines”/exp or vaccines)	1073
#3	“vaccine stock-out” or “vaccines stock-out”	1
#4	(“vaccine”/exp or vaccine or “vaccines”/exp or vaccines) and (“supply chain management”/exp or “supply chain management”)	17
#5	(“vaccine”/exp or vaccine or “vaccines”/exp or vaccines) and (“supply and distribution”/exp or “supply and distribution”)	130
#6	#1 or #2 or #3 or #5	1255