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keyword

how do mrna vaccines work

Monthly search volume and cost-per-click data for "how do mrna vaccines work" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=how+do+mrna+vaccines+work&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $3.2 | | competition | 0.03 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
mrna vaccines 49,500 $3.07 20/20
mrna vaccine 49,500 $3.07 18/20
what is mrna vaccine 3,600 $5.64 20/20
how does mrna vaccine work 1,900 $3.23 17/20
how mrna vaccine works 320 $0 17/20
how mrna vaccines works 320 $2.62 17/20
how does an mrna vaccine work 260 $0.05 17/20
how does the mrna vaccine work 140 $6.51 19/20
mrna vaccines how they work 110 $0 17/20
mrna vaccine: how it works 70 $0 17/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=how+do+mrna+vaccines+work&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt