Keyword Analysis & Research: polio death rate before vaccine

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
polio death rate before vaccine	0.79	0.5	7435	52	31
polio	0.69	0.9	4033	42	5
death	0.04	0.3	2854	99	5
rate	0.98	1	7395	75	4
before	0.75	0.6	6956	1	6
vaccine	1.2	0.6	8622	27	7

Keyword	CPC	PCC	Volume	Score
polio death rate before vaccine	1.54	0.1	9438	100