Airborne droplet nuclei

Airborne droplet nuclei develop when the fluid of pathogenic droplets (1-5 µm in size; micrometre = one-thousandth of a millimetre) evaporates. They are so small and light they may remain suspended in the air for several hours. Thus, they may also infect persons entering a room which has been left by a patient long ago. Also, airborne droplet nuclei can be widely dispersed by air currents. Tuberculosis, chickenpox, measles and possibly also influenza may be transmitted this way.

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The A-to-Z database provides information on each pathogen, the most common infections that it triggers, its main transmission paths and recommendations on disinfection. In the glossary, you will find explanations of infection control terms. Search now!

Avian influenza, more commonly known as bird flu, is a highly contagious viral disease that mainly affects birds and is caused by different strains of the virus. Read our article to find out more about the latest developments in avian influenza and how to prevent it.

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