Direct Contact and Indirect Contact
many ways, blood transfers, saliva, and sexual contact.
by just breathing it through the air and other ways to
A contagion is either a disease spread by contact, the spread of such a disease, or the spread of anything harmful, as if it were a disease.
radiation, ultrasound,ozone,salt,gold, silver
The two general ways that bacteria cause disease ...... First is the body immunity as it decrease the bacteria easily cause disease. Second is the favorable environment for the bacterial growth.
It spread through simply trade and conquest.
An Epidemiologist studies the spread of disease.
Diseases spread by multiple ways. If you are talking about STD's, then the way its transmitted is the way its name is. If its a normal disease, like the cold, your sneeze affects others.
Two ways that pathogenic organisms can cause infection and disease is by producing poison and to attack and destroy the living cells they intrude.
A disease which is carried and spread by an agent (animal or microorganism) is a vector spread disease. Eg. Mosquitoes are the vectors for malaria.
Lyme disease is spread by ticks. Lyme disease can be pretty much everywhere.
Rats that were infected by the disease and have died on the side of the street to easily spread the disease