WHO Guidelines for Indoor Air Quality: Dampness and Mould

ReviewGovernment health research

Source type: Review
Access type: Official
Publisher: World Health Organization
Date: 2009
Added: 2026-07-01

Trust profile

VV Source Trust Matrix v1.0

VV Source Trust Matrix v1.0 asks whether this source is trustworthy for the claim lane being used, not whether every possible claim from it is equally strong.

Government health research

Publisher type: Government research
Bias profile: Low

This source is strongest for safety and clinical outcomes and weaker for consumer context and regulatory status.

VV Source Fit Score 1.0

Fit by use case

Fit scores are role-specific. A source can be excellent for one claim lane and weak for another.

Frameworks ->

Regulatory status: 66/100; Context Source
Clinical outcomes: 90/100; Primary Anchor
Mechanism: 90/100; Primary Anchor
Safety: 92/100; Primary Anchor
Consumer context: 88/100; Strong Support
Trial discovery: 89/100; Strong Support

Best used for

Research synthesis
Public-health context
Safety resources

Weak for

Primary endpoint extraction when a study is available

Used in Viral Vitalism

Supporting evidencesignal5 references

Mold Toxicity: Real Indoor-Air Problem or Universal Symptom Funnel?

Roles: Supporting evidence

Show section-level references

Supporting evidencestudy1 reference

Roles: Supporting evidence

Show section-level references

WHO Guidelines for Indoor Air Quality:

Claim ledger

Claims supported

Reviewed claim cards that cite this source in the evidence graph.

partly supported84/100

mold: Damp buildings and mold exposure are best supported as

Damp buildings and mold exposure are best supported as respiratory, asthma, allergy, and irritation risks, especially for susceptible people.

Strong human evidence4 sources

unsupported60/100

mold: Mold-cancer claims need specific exposure, mycotoxin, route, dose, and

Mold-cancer claims need specific exposure, mycotoxin, route, dose, and cancer endpoint evidence rather than broad claims that indoor mold generally causes cancer.

Expert context3 sources

unsupported57/100

mold: Mold is overclaimed when it is presented as the

Mold is overclaimed when it is presented as the default explanation for brain fog, fatigue, hormone symptoms, autoimmune disease, or weight gain without stronger individual evidence.

Insufficient evidence3 sources