historical vaccine development timelines

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
historical vaccine development timelines	1.29	0.4	1882	31	40
historical	0.51	0.8	8024	94	10
vaccine	1.1	0.4	6157	75	7
development	0.09	0.1	9231	13	11
timelines	0.92	0.7	4053	1	9

Keyword	CPC	PCC	Volume	Score
historical vaccine development timelines	0.28	0.6	3330	4
vaccine development throughout history	0.48	0.1	4918	62
vaccine history developments by year	1.21	0.2	325	12
vaccine timeline history of vaccines	1.76	0.4	366	58
vaccine schedule throughout history timeline	0.41	0.5	3156	51
history of vaccine development	0.15	0.9	3171	7
vaccine history timeline chart	1.57	0.3	2438	99
history of vaccination timeline	0.24	0.6	7673	16
history of vaccines timeline	1.03	0.8	8888	66
history and development of vaccines	1.54	0.9	807	54
timeline of vaccines created	1.14	0.8	9159	18
vaccine schedule throughout history	0.36	0.5	6297	14
vaccine timeline for children	0.3	0.7	1857	66
vaccine mandate history timeline	1.62	0.3	9254	14
childhood vaccine schedule history	0.15	0.8	6137	100
when did vaccine start	1.59	0.1	5193	65
history of vaccines pdf	1.89	0.1	7418	29
cdc history of vaccinations	1.25	0.8	4622	59
history of vaccines cdc	1.76	0.6	1232	23