Spread of Disease

Definition

The spread of disease refers to how infectious illnesses are transmitted from person to person or across populations. It involves the transfer of pathogens (such as viruses or bacteria) through various means like direct contact or contaminated objects.

Related terms

Epidemic: A rapid increase in the number of cases of a particular disease within a specific population or geographic area.

Pandemic: An epidemic that has spread over multiple countries or continents, affecting large numbers of people worldwide.

Vector-borne Diseases: These are diseases transmitted by organisms such as mosquitoes or ticks. Examples include malaria (transmitted by mosquitoes) and Lyme disease (transmitted by ticks).