Effect of Aerosol Filtering on Infectious Diseases in Day Care

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05569330

Enrollment

Registered

2022-10-06

Start date

2022-11-01

Completion date

2024-04-30

Last updated

2023-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diarrhea, Upper Respiratory Tract Infection

Brief summary

Effect of aerosol flitration and removal on typical infectious diseases such as upper respiratory tract infectinos is studied in day care. Many filtration methods such as filters and electrical filtering are used to remove aerosol particles from room air.

Interventions

OTHERAir purification

Aerosol particles are removed from room air by several methods

Study design

Allocation

NON_RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

PREVENTION

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Healthy volunteers

Yes

Inclusion criteria

* Subject is expected to be in the same day care unit for the duration of the study

Exclusion criteria

* Subject is known not to be in the same day care unit for the duration of the study

Design outcomes

Primary

Measure	Time frame	Description
Incident infections	During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.	Incident infections among subjects

Secondary

Measure	Time frame	Description
Days absent from work	During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.	Days absent from work by the parents of sick children

Countries

Finland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026