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Is smallpox infectious or noninfectious?
Smallpox is an infectious disease caused by the variola virus. It is highly contagious and can spread through respiratory droplets, contact with infectious bodily fluids, or contaminated objects.
Disease is easier to spread in society?
Yes, diseases can spread more easily in society due to factors such as population density, close contact among individuals, and global travel. These conditions provide a conducive environment for pathogens to transmit from person to person rapidly. Public health measures like vaccination, hygiene practices, and quarantine help to prevent the spread of diseases in society.
Describes a microorganisms or virus that causes disease and that is highly infectious?
The Ebola virus is a highly infectious virus that causes severe hemorrhagic fever in humans, with a high mortality rate. It is transmitted through direct contact with bodily fluids of infected individuals. The virus can spread rapidly in communities and healthcare settings, leading to large-scale outbreaks.
How do pathogens work?
Pathogens are disease-causing agents such as bacteria, viruses, fungi, and parasites. They invade the body and can disrupt normal cellular functions by releasing toxins, damaging tissues, and triggering immune responses. Pathogens can multiply and spread, leading to infectious diseases if not controlled by the immune system.
How are infrctious diseases spread?
Infectious diseases are spread through various means such as direct contact with an infected person, respiratory droplets when someone coughs or sneezes, ingesting contaminated food or water, or through vectors like mosquitoes or ticks. Some infectious diseases can also be spread through blood or bodily fluids.
