indirect contact

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indirect contact

Transmission of a communicable disease by any medium between the host and the susceptible person. The medium may be contaminated food or water; medical supplies; the hands of a health care worker; clothing; or an arthropod vector. See: fomes
See also: contact


1. a mutual touching of two bodies or animals.
2. an animal known to have been sufficiently near an infected animal to have been exposed to the transfer of infectious material.

contact activation
the initiation of the intrinsic pathway of coagulation that occurs when whole blood contacts glass or similar surfaces; involves the conversion of factor XII into its active form, factor XIIa. This subsequently converts factor XI to XIa and so the coagulation cascade begins.
contact allergy
see contact dermatitis (below).
bone contact repair
repair of a fracture by contact apposition of the two fracture surfaces.
contact dermatitis
is caused by direct contact between the skin and a substance which is irritating or to which the animal is allergic or sensitive. The reaction usually occurs only on that area of the body that has come into contact with the substance. See also allergic contact dermatitis.
direct contact, immediate contact
the contact, by sharing the same accommodation or pasture or group, of a healthy animal with an animal having a communicable disease, the disease being transmitted as a result. See also contact transmission.
contact healing
a form of primary bone healing at a fracture site where there is cortical bone in contact.
contact hypersensitivity
see allergic contact dermatitis.
indirect contact
that achieved through some intervening medium, as propagation of a communicable disease through the air or by means of fomites or another animal, e.g. an infection may be passed to animal A from animal B via animal C; animal C is an indirect contact.
contact irritant dermatitis
skin disease produced by contact with an irritating substance; in contrast with allergic contact dermatitis, an immune reaction is not involved.
mediate contact
indirect contact.


done through an intermediate animal or function.

indirect advertising
advertising about the veterinary profession which indirectly benefits individual veterinarians.
indirect comparisons
comparisons made between individuals or groups in different locations.
indirect contact
see indirect contact.
indirect fluorescent antibody
see fluorescence microscopy.
indirect repeat
indirect selection
improving one character while selecting on another.
indirect social distance
social distance is distance between contacts in an infectious disease; indirect social distance is distance between indirect contacts.
indirect transmission of infection
transmission of infection via another medium, e.g. housing or bedding, without the animals ever being close to each other.
References in periodicals archive ?
However, Dallas County officials said more than 80 had direct or indirect contact with the patient.
Qatar does not have any direct or indirect contacts with the Syrian regime," said the foreign ministry in a statement, stressing support for the armed opposition.
DOHA - Qatar has stressed it has had no direct or indirect contact with Syria's regime, as the head of Lebanon's pro-Syria Hezbollah movement said he had received an envoy from Doha.
1 The disease may be transmitted to humans by direct or indirect contact of damaged skin with infected animals.
Detailed safe handling instructions for hedgehogs should be provided at the point of sale, and owners should ensure that anyone in direct or indirect contact with hedgehogs is aware of proper precautions to prevent Salmonella transmission.
In February, the county court dismissed the father's application for direct contact, directing that the mother should facilitate indirect contact in the form of cards, letters and gifts between the father and the children once a month.
The NTC may try Saif al-Islam itself, but the fugitive Libyan has been in indirect contact with the ICC over a possible surrender, though he may also harbor hopes that mercenaries can spirit him to a friendly African country.
Turkey had in the past had direct and indirect contact with Israel and Hamas in a bid to free Shalit, said Davutoglu.
Furthermore, these studies allege that most of these indigenous millions died in holocaust proportions as a result of contracting European diseases secondhand through indirect contact, all unbeknownst to the oblivious pathogen-carrying newcomers.
The adopters were concerned about allowing the birth parents to keep photographs of J as part of indirect contact.
In addition, the Xeikon 3500 runs on Xeikon's new QA-I toner, approved for direct and indirect contact with dry food.
Ilker Basbug made clear on Tuesday that Turkish Armed Forces (TSK) would not get engaged in any activity that might lead to direct or indirect contact with terrorist organization PKK or its supporters.