vaccine history development

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
vaccine history development	0.29	0.8	4438	92	27
vaccine	0.14	0.1	2618	33	7
history	1.89	0.8	3788	50	7
development	1.56	0.9	1041	54	11

Keyword	CPC	PCC	Volume	Score
vaccine history developments by year	0.63	1	8037	82
history of vaccine development	2	0.4	1976	20
history of covid-19 vaccine development	1.53	0.4	3311	74
history of rsv vaccine development	1.18	0.2	8958	35
vaccine development timeline history	0.54	0.6	964	92
development history of hpv vaccine	1.3	0.6	9723	27
mrna vaccine development history	1.07	0.8	5772	58
covid vaccine development history	1.4	0.2	1105	35
history of mmr vaccine development	0.03	0.8	1813	1
vaccine developed year by year	0.3	0.5	367	17
historical vaccine development timelines	0.59	0.9	7888	66
timeline of vaccine development	1.44	0.4	5678	48
a brief history of vaccines	1.48	0.1	5652	48
history of vaccines cdc	1.49	0.7	4611	70
what years was the vaccine introduced	1.58	0.6	3380	72
cdc history of vaccinations	0.78	0.2	1671	10
what year did vaccines start	0.06	0.4	1787	42
when did vaccine start	0.52	1	1953	34
history of vaccines timeline	1.25	0.6	4371	78
a brief history of vaccines and vaccination	0.76	1	7640	73
a brief history of vaccinations	0.69	0.6	47	78
when were vaccines developed	0.44	0.9	9429	56
timeline of vaccines created	1.95	0.7	8692	70