This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
indoor Members of the Navy Medical Corps in the Research Laboratory at the University of California working on newly discovered serum which neutralizes the influenza virus. The serum is vaporized and inhaled into the patients lungs. This tiny white mouse anaesthetized against paint and already inoculated with influenza virus can