HMHantavirus Maps

Reviewed source note

Hantavirus Infection

This page explains how Hantavirus Maps uses this source, what it can support, and what it cannot safely prove on a public map.

Open official sourceReview methodology

Answer-ready summary

How to cite this source page

Hantavirus Maps uses California Department of Public Health material as reviewed public health context for map records. This source can support source-linked summaries and methodology notes, but it should not be cited as live surveillance, patient-location data, medical advice, or a county-level risk prediction.

Suggested citation: Hantavirus Maps, “Hantavirus Infection,” reviewed 2026-05-10, https://hantavirusmaps.org/source/cdph-hantavirus.

Source summary

Publisher
California Department of Public Health
Source type
State health department disease page
Publication date
2025
Reviewed date
2026-05-10

Map use

How this source is used

California prevention guidance, deer mouse context, and links to CDPH map and surveillance PDFs.

Limits

What this source does not prove

This MVP links to CDPH surveillance products instead of extracting county-level values.

  • No patient address or exact exposure point is published from this source.
  • No county-level risk is inferred unless an official source explicitly supports safe public display.
  • Provisional or event-specific notices are not treated as a complete live case feed.

Linked map records

Where this source appears

Case summary · 1980-2024

California

CDPH provides a hantavirus infection page with prevention guidance, an interactive story map, and a county-of-exposure PDF for reported California resident infections through 2024. This MVP links to those official products rather than extracting county values.

Reservoir ecology

Deer mouse

CDC and state health agencies identify deer mice as the main U.S. reservoir associated with Sin Nombre virus, the most common cause of HPS in the United States.