Overview of Host-Microbe Interactions and Immunity fill in

Flashcards covering key concepts of host-microbe interactions, immune responses, and types of immunity.

The ability of a microbe to cause disease is referred to as __.

Pathogenicity

Organisms that are termed __ are very virulent and can produce disease in healthy individuals.

Pathogens

Individuals with __ immune systems are more susceptible to infections and may allow opportunistic pathogens to cause disease.

Impaired

The study stating that >50% of infections attacking humans come from normally free-living organisms was conducted at __.

Harvard Medical School

Pathogens that primarily have animal hosts tend to be more __ due to evolutionary selection.

Virulent

The elimination of disease is associated with the clearance of the organism and the development of __.

Memory

Memory B cells produce antibodies of __ affinity compared to naïve cells.

Higher

CD8 memory cells are associated with __ immune responses.

Cytotoxic T

Passive immunity is characterized by a lack of __ and lack of antibody production.

Memory

Natural passive immunity is primarily transferred from mother to __.

Child

In live attenuated vaccines, the microbe is decreased in normal __.

Virulence

Endogenous spread refers to infections arising from the patient's own __.

Normal flora

Infection patterns that go from one infected person to another are referred to as __ transmission.

Horizontal

The first stage of an infection involves entry via a defined __ and route of transmission.

Pattern

An example of zoonotic disease transmission includes rabies from __.

Cats and dogs

The __ route is a common way for gastrointestinal diseases to spread via contaminated food or water.

Oral-fecal