Host-Pathogen Interactions

Infective dose (ID) and Lethal Dose (LD)

Infective dose (ID) and Lethal Dose (LD)

Infective dose is defined as a minimum number of microorganisms required for an infection to proceed.

Types of Host and Host-Parasite relationship

Types of Host and Host-Parasite relationship

There are five major types of hosts depending upon their role in the life cycle of the parasites.

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Pathogenicity Islands: Properties and Types

PAIs are large genomic islands located in the chromosome which codes for numerous virulence factors such as toxins, invasions, iron uptake.