keyword

how many mrna vaccines are there for humans

Monthly search volume and cost-per-click data for "how many mrna vaccines are there for humans" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=how+many+mrna+vaccines+are+there+for+humans&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.21 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
previous mrna vaccines	210	$0	12/20
how many vaccines use mrna	140	$0	11/20
how many rna vaccines are there	110	$0	12/20
mrna in humans	50	$0	11/20
mrna vaccine in humans	40	$0	13/20
how many mrna vaccines exist	40	$0	11/20
how many mrna vaccines have been approved	40	$0	11/20
mrna use in humans	30	$0	12/20
how many mrna vaccines	20	$0	12/20
mrna vaccines on humans	10	$0	15/20

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://api.seodata.dev/v1/keyword?q=how+many+mrna+vaccines+are+there+for+humans&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