</s> ▁The ▁National ▁V acc ine ▁Program ▁Office ▁( N V PO ) ▁is ▁an ▁office ▁of ▁the ▁United ▁States ▁Department ▁of ▁Health ▁and ▁Human ▁Services ▁that ▁plays ▁a ▁role ▁in ▁the ▁coord ination ▁of ▁v acc ine ▁policy . ▁ ▁It ▁was ▁established ▁by ▁the ▁National ▁Child hood ▁V acc ine ▁In j ury ▁Act . ▁ ▁References ▁ ▁External ▁links ▁ ▁https :// www . h hs . gov / n v po / ▁ ▁Category : V acc ination - related ▁organizations ▁Category : Un ited ▁States ▁Department ▁of ▁Health ▁and ▁Human ▁Services ▁Category : V acc ination ▁in ▁the ▁United ▁States <0x0A> </s> ▁Ch lor ide ▁Group , ▁a ▁business ▁of ▁Vert iv , ▁is ▁the ▁UK ' s ▁largest ▁supp lier ▁of ▁secure ▁power ▁systems ▁to ▁hosp it als ▁and ▁other ▁public ▁buildings ▁and ▁facilities . ▁Form er ly ▁listed ▁on ▁the ▁London ▁Stock ▁Exchange ▁and ▁a ▁constitu ent ▁of ▁F T SE ▁ 2 5 0 ▁index , ▁the ▁company ▁has ▁been ▁owned ▁by ▁Em erson ▁Electric ▁since ▁September ▁ 2 0 1 0 . ▁ ▁History ▁Ch lor ide ▁Group ▁was ▁founded ▁in ▁ 1 8 9 1 ▁as ▁The ▁Ch lor ide ▁Elect rical ▁Sy nd icate ▁Limited ▁to ▁manufact ure ▁batter ies . ▁Brand ▁names ▁used ▁included ▁Ajax , ▁Ex ide , ▁D agen ite , ▁K athan ode , ▁Sh ed n ought ▁and ▁T ud or . ▁ ▁In ▁the ▁ 1 9 7 0 s , ▁under ▁its ▁then ▁man aging