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The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.
[6] The six steps of the technique are as follows: Palm to palm. Palm of left hand to the back of the right hand and vice versa. Palm to palm with fingers interlocked. Backs of fingers to the opposing palm. Rotational rubbing of each thumb clasped in the opposing palm.
Chain of infection; the chain of events that lead to infection. There is a general chain of events that applies to infections, sometimes called the chain of infection [15] or transmission chain. The chain of events involves several steps – which include the infectious agent, reservoir, entering a susceptible host, exit and transmission to new ...
Transmission chain of chain of transmission may refer to: Airchain, the path or route an audio or video signal takes on its way through a radio station or television station; Chain drive, a way of transmitting mechanical power from one place to another; Chain of infection, a general chain of events that applies to infections
There are several outbreak patterns, which can be useful in identifying the transmission method or source, and predicting the future rate of infection. Each has a distinctive epidemic curve, or histogram of case infections and deaths. [6] Common source – All victims acquire the infection from the same source (e.g. a contaminated water supply ...
For the virus to reproduce and thereby establish infection, it must enter cells of the host organism and use those cells' materials. To enter the cells, proteins on the surface of the virus interact with proteins of the cell. Attachment, or adsorption, occurs between the viral particle and the host cell membrane.
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Transmissibility is the probability of an infection, given a contact between an infected host and a noninfected host. [8] Community transmission means that the source of infection for the spread of an illness is unknown or a link in terms of contacts between patients and other people is missing. It refers to the difficulty in grasping the ...