Previous or premature exposure to something, especially to a disease or infection.
先前的接触，过早的接触
as modifierpre-exposure vaccination
预防接种。
Example sentencesExamples
Four groups received preexposure to the sage-flavored diet.
The most effective way to prevent transmission of infectious diseases, including hepatitis A and B, is through pre-exposure immunization.
The CDC is not recommending pre-exposure vaccination for unexposed veterinarians, veterinary staff, or animal control officers, unless such persons are involved in field investigations.
Indications for pre-exposure rabies immunization depend on the likelihood of exposure.
So what happens if you get bitten and you haven't had the pre-exposure vaccine?
In the past few months, however, a change in immunisation policy means that human normal immunoglobulin will no longer be available to travellers in England and Wales for pre-exposure hepatitis A prophylaxis.
Smallpox vaccination is not recommended for children in a pre-exposure situation because of the risk of adverse reactions.
If you have already been vaccinated before being bitten (the pre-exposure vaccine), two doses of the rabies vaccine will be given: one at the time of the bite, and one 3-7 days later.
The article warns that the immune response to pre-exposure vaccination may be impaired by concurrent use of antimalarial drugs.
Follow-up levels were comparable with initial preexposure levels.
We kept only yearling males to minimize preexposure to the pathogens used in this study.
Rarely, an individual may have a medical condition - such as certain types of eczema or psoriasis - for which a doctor recommends pre-exposure to ultraviolet light before vacationing in a sunny climate.
While influenza alone caused an increase in lung weight, preexposure to ultraviolet light did not increase this further.
Veterinarians, spelunkers (cave explorers), certain animal handlers and some laboratory workers should receive pre-exposure protection and boosters every two years or periodic measurement of their antibody level.
Because we did not have neurobehavioral test results preexposure, the reasonable alternative was to calculate expected values.
Recommendations for groups of people who should receive routine pre-exposure vaccinations are given in the accompanying table.
Most studies investigating the relationship between preexposure bronchial reactivity and the response to cotton dust inhalation have shown consistent results.
After this 5-min pre-exposure period, the partition between the two opponent tanks was removed, and the paired opponents were allowed to interact for 20 min.
However for this system, unlike others described below, the temperature recorded at failure is not affected by pre-exposure to stressful conditions.