awgldk
/
wikidata
/
Login
Register
TriplyDB
Wikidata
Browser
Triples
Insights
Schema
BETA
Class frequency
Class hierarchy
SPARQL
GraphQL
BETA
Graphs
1
Q34467643-E2820628-06FF-493D-950C-E1073F598B30
Q34467643-E2820628-06FF-493D-950C-E1073F598B30
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34467643-E2820628-06FF-493D-950C-E1073F598B30
Some oral poliovirus vaccines were contaminated with infectious SV40 after 1961.
P577
Q34467643-E2820628-06FF-493D-950C-E1073F598B30
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34467643-E2820628-06FF-493D-950C-E1073F598B30
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
0a721ac85660d16dc5dcd9851267ddedba4bef40
P577
2005-11-01T00:00:00Z
http://www.w3.org/2001/XMLSchema#dateTime
P577
60379d457351a299e6aa1cff712dcfce