If the monarch butterfly lives west of the Rocky Mountains, then it will hibernate in and around Pacific Grove, California in eucalyptus trees. Monarch butterflies use the very same trees each and every year when they migrate, which seems odd because they arent the same butterflies that were there last year. These are the new fourth generation of monarch butterflies, so how do they know which trees are the right ones to hibernate in?
Poliovirus can be transmitted through contaminated water and food or through direct contact with someone infected with the virus. Polio is so contagious that anyone living with a recently infected person is likely to become infected, too.oliovirus can be transmitted through contaminated water and food or through direct contact with someone infected with the virus. Polio is so contagious that anyone living with a recently infected person is likely to become infected, too.
Apart for coughs colds and flu, there are other highly contagious and deadly diseases that can be transmitted through saliva not associated with kissing, but through airborne saliva droplets expelled by an infected person whilst sneezing. The transmission of Hepatitis A, B &C through saliva has been well documented.However, although the HIV virus, which is primarily blood-borne has been found in saliva, there is no evidence to show that the HIV disease has ever been passed through the exchange of saliva.he transmission of Hepatitis A, B &C through saliva has been well documented. However, although the HIV virus, which is primarily blood-borne has been found in saliva, there is no evidence to show that the HIV disease has ever been passed through the exchange of saliva.