Answer:
The influenza H1N1 virus is transmitted through saliva droplets and mucus from sick people, who by sneezing or coughing without covering their mouth and nose adequately, leave the virus in the air or on their hands, infecting then the objects they touch. As a rare occurrence, a person can become infected with the flu by touching a surface or object contaminated with the influenza virus and then touching the mouth, nose, or eyes.
Pigs sometimes transmit influenza H1N1 virus to people, primarily pig farmers and veterinarians.
The Spanish scientist should bear in mind that the production of eggs of salmon is dependent on lots of factors apart from the temperature. These factors include type of water, nutrients, etc. If these factors are also set constant then, the scientist can expect the same result from his friend.
