If you mean Ebola/ Marburg, the nuns on the hospital reused 5 or so syringes for hundreds of patients. So if one person was infected, then the needle would infect hundreds of people a day.
Lyme Disease is mainly spread through deer ticks. but it can be in any ticks
through seamanating
The disease of measles is spread through droplet transmission. The droplets can come from the nose, throat, or mouth. It is a highly contagious disease.
An airborn disease is one for which the pathogens are spread through the air.
The disease is spread through water.
Infectious disease that are spread through sexual contact are called, "STDs" which is short for "Sexually Transmitted Disease". The former term used was, "VD" which stood for "Venereal Disease".
HIV is an infectious disease. It is not spread through genetics.
a communicable disease
Bovine tuberculosis is the most notorious disease spread through unpasteurized milk.
spread of foodborne dis.due to micro-organisms. spread of person to person disease through contact, air, and many other reasons.
Malaria is a serious disease spread by mosquitoes. Malaria is not considered as a contagious disease for a reason that itÕs not spread from person to person through casual contact.
The lack of hygiene, poor health, not a lot of doctors and infections not taken care of can spread a lot of diseases.