ID#: 15327
Caption:
This 3-dimensional (3D) image illustrates the very beginning stages of an influenza (flu) infection. Most experts think that influenza viruses spread mainly through small droplets containing influenza virus. These droplets are expelled into the air when people infected with the flu, cough, sneeze or talk. Once in the air, these small infectious droplets can land in the mouths or noses of people who are nearby. This image shows what happens after these influenza viruses enter the human body. The viruses attach to cells within the nasal passages and throat (i.e., the respiratory tract).
High Resolution: Click here for hi-resolution image (16.85 MB)
Content Provider(s): CDC/ Douglas E. Jordan
Creation Date: 2012
Photo Credit: Illustrator: Dan Higgins
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.