Experimental adaptation of an influenza H5 HA confers respiratory
droplet transmission to a reassortant H5 HA/H1N1 virus in ferrets.
They are thus susceptible to airborne and
droplet transmission via any of the mechanisms described above [38, 174].
In the Ohio cluster, the anesthesiologist did not wear a mask during the procedures, making direct
droplet transmission most likely.
The pathogen found in her cerebral spinal fluid (CSF) was bacteria transmitted through human saliva (
droplet transmission).
Cold viruses are spread by
droplet transmission. For example, when a person with a cold breathes, sneezes, or coughs, little droplets of saliva or mucus that contain the virus come out of the nose or mouth.
One day later, we housed 1 naive ferret with each of the infected ferrets (direct contact transmission experiment), or placed naive ferrets in wireframe cages (within transmission isolators) [approximately equal to]5 cm from the cages containing the infected ferrets as a respiratory
droplet transmission experiment.
There are four basic modes of infectious disease transmission: direct contact, indirect contact,
droplet transmission, and airborne transmission.
When the genetic sequences of the mutant virus and original hybrid virus were compared, they found only two surface mutations responsible for supporting respiratory
droplet transmission.
Because
droplet transmission of pertussis can occur at the first contact with an ill patient, HCWs and hospital infection-control services should take measures to prevent hospital transmission (Box).
Droplet Transmission Droplets are generated from a source patient primarily during coughing, sneezing or talking and during the performance of certain procedures.
The WHO recommended strict adherence to isolation measures for patients with SARS, using precautions for airborne, contact and
droplet transmission. These included the use of masks (particulate filter masks were recommended), gowns, gloves, eye protection and where possible, patients with SARS were to be nursed in negative pressure rooms with the doors closed.
