Keyword Analysis & Research: who changed the definition of a vaccine

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
who changed the definition of a vaccine	1.89	0.6	100	41	39
who	0.21	0.3	6297	97	3
changed	0.61	0.1	8131	65	7
the	1.43	0.8	8996	4	3
definition	0.89	1	8394	80	10
of	0.62	0.9	3711	23	2
a	0.65	0.4	2006	52	1
vaccine	1.36	0.8	5160	97	7

Keyword	CPC	PCC	Volume	Score
who changed the definition of a vaccine	1.09	0.8	1522	33
was the definition of a vaccine changed	0.13	0.7	8224	99
has the definition of vaccine changed	1.35	0.8	8795	24
when was the definition of vaccine changed	1.27	1	6768	29
why was the definition of vaccine changed	0.43	0.4	8056	29