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May 29, 2023 · Carrier state. Carrier state. a condition in which a human who is not himself sick harbors an infective organism which may cause disease in those to whom it is transmitted. Last updated on May 29th, 2023.
Contact transmission includes direct contact or indirect contact. Person-to-person transmission is a form of direct contact transmission. Here the agent is transmitted by physical contact between two individuals (Figure 12.4.1 12.4. 1) through actions such as touching, kissing, sexual intercourse, or droplet sprays.
Jan 5, 2020 · Answer: A carrier are those organisms that help in the transfer of microbes from one place to another . Explanation: A carrier is an organism that is infected with a pathogen or harmful microorganisms such as bacteria and viruses or unaffected by the harmful microorganisms but it can transmit the harmful microorganisms to other organisms which ...
Definition. Persistent infections are characterized as those in which the virus is not cleared but remains in specific cells of infected individuals. Persistent infections may involve stages of both silent and productive infection without rapidly killing or even producing excessive damage of the host cells.
Oct 4, 2019 · Adenosine Triphosphate Definition. Adenosine triphosphate, also known as ATP, is a molecule that carries energy within cells. It is the main energy currency of the cell, and it is an end product of the processes of photophosphorylation (adding a phosphate group to a molecule using energy from light), cellular respiration, and fermentation.
Jan 22, 2022 · Step 1: Sample Injection and Vapourization. A small amount of liquid sample to be analyzed is drawn up into a syringe. The syringe needle is positioned in the hot injection port of the gas chromatograph and the sample is injected quickly. The injection of the sample is considered to be a “point” in time, that is, it is assumed that the ...
Aug 3, 2023 · For example, in hookworm infection, the reservoir is man, but the source of infection is the soil contaminated with infective larvae. In tetanus; the reservoir and source are the same that is soil. In typhoid fever, the reservoir of infection may be a case or carrier, but the source of infection may be feces or urine of patients or contaminated ...
