colds, and infectious diseases
No
yes they can!
Infectious diseases that are easily spread from person to person.
Infectious diseases spread when bacteria or viruses move from the carrier to others.
yes. all infectionous diseases are spread the same way
Infectious diseases spread either by person to person contact, or indirectly by a vector or a fomite.
There are many scientists that study the spread of infectious diseases (called epidemiology), and in the United States the CDC (Center for Disease Control) is the central reporting agency.
Yes , there are about 40 diseases that can be spread from animals to human ; These are known as Zoonoses . See related link below .
Non infectious diseases are spread by the environment, bad nutrition, genetic inheritance, and hereditary diseases.
There are Infectious Diseases and Non infectious Diseases. Infectious diseases can be transmitted from person to person, and can be spread from one living thing to another are known as communicable diseases. They can be caused by, Bacteria, Viruses, Protists, etc. which is the Plague. Non infectious diseases can not be transmitted from person to person, these are things like Cancers.
Infectious diseases are those diseases which are caused by infectious agents (which include microorganisms such as bacteria, fungi, protozoa and virus, as well as some multicellular animals such as worms) and hence they are the ones which can spread from one person to another. Non-infectious diseases are those diseases that are not caused by infectious agents and do not spread from one person to another.