Birthday Candle Bacteria & Bioaerosol Simulator

Candles Extinguished

0 / 8

Surface Bacteria Increase

+0%

Cake Frosting CFU/cm²

42 CFU

🌬️ Exhale Aerodynamics

Breath Velocity4.5 m/s

Mouth Distance25 cm

Aperture (Spread)Medium

🛡️ Mitigation Interventions

None (Standard)

Acrylic Shield

Gentle Paper Waft

Solo Cupcake

🧫 Petri Dish Plating Swab

Pre-Blow Control

Post-Blow Surface

🔬 Clemson Research Context

The 2017 Clemson University study found blowing out candles increased frosting bacteria by an average of 1,400% (with high subject variance up to ~1,900%). Most transferred bacteria constitute benign oral flora; however, high respiratory velocity forcefully embeds droplets that bypass normal gravitational settlement.