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 ?
Based on current knowledge, SARS is transmitted from symptomatic patients by close direct or indirect contacts through respiratory droplet secretions (2).
The survey asked respondents about demographic information, how long and how many times they had been caving, how often they encountered bats when caving, if they had been advised to receive the rabies PreEP and if they had received it, if they considered specific scenarios (bat bite, bat scratch, bat on skin, bat on clothing, indirect contact with bats) as a potential risk for rabies, if they had ever had a potential exposure to rabies, and if they had ever received rabies PostEP.
The outfits banned in Pakistan, including the Lashkar-e-Taiba, have never worked with the UJC nor maintained with it any direct or indirect contact," the unnamed UJC commander claimed.
Thus, care givers have numerous opportunities to contaminate their hands during routine care, and unless they wash their hands, virus will be transmitted by indirect contact to other infants.
10] genomic equivalents (GE) of PEDV strain PC21A; pig 4 was exposed to the virus by indirect contact with inoculated pig 3.
According to the World Health Organization, most known human infections have resulted from direct or indirect contact with poultry.
While, Indirect contact means touching something a toy, doorknob or a used tissue that has been touched by an infected person and now has germs on it.
DOHA: Qatar has stressed it has had no direct or indirect contact with Syria's regime, as the head of Lebanon's pro-Syria Hizbollah movement said he had received an envoy from Doha.
Al-Sadah added that Qatar does not have direct or indirect contact with the Syrian regime, but its only contact was with the Syrian people, represented by the Syrian National Coalition and the Syrian opposition.
Summary: Doha stresses it has had no direct or indirect contact with Syria regime, as Nasrallah says he has received envoy from Doha.
According to Joel Rozga, Director of Engineering for Process Technology, “The innovative new Frontier inline solvent heater heats many process solvents through indirect contact instead of direct immersion.
For the user there are again two categories of compressed air usage; direct contact and indirect contact.