Unimmunized visitors from other countries, with perhaps stricter standards of hygiene, are protected from such immunizing exposures and have no acquired resistance to the virus when they encounter it as adults.
The population of Phoenix has grown by ten per cent in the past decade, and newcomers have no acquired immunity.
A similar number of controls, 50 males and 52 females (mean age 24.99 years, s.d. = 2.73), were selected as a convenience sample from the university students and employees who have no acquired or congenital facial deformity.
As a result, native horses have no acquired immunity to disease; an outbreak on the island would be likely to be devastating to the breed.
More recent data suggests that CDV swept through the park again in 2008, and in addition to observing the same patterns of high CDV seroprevalence and very low wolf-pup survival, we recovered CDV ribonucleic acid via PCR from 3 dead wolves, all of which had been born after 2005 and thus presumably had no acquired immunity against CDV (Almberg, unpublished data).
In addition, companies are wary of investing and working in areas where malaria is endemic (for fear of catching the disease) and when imported workers from malaria-free areas have no acquired immunity to the more severe effects of malaria (22).
The mean charge of hospital stay for patients who experienced at least one hospital acquired condition was $47 066, and for patients who had no hospital acquired condition was $27 092.
While many purchasers had no problem acquiring tickets on MovieTickets.com, which handles Internet sales for Ziegfeld screenings, the barrage of would-be buyers crashed the system.
Yet – incredibly – they apparently had no difficulty acquiring the guns and ammunition to attack what they considered to be a blasphemous magazine, as well as police officers and members of the city's Jewish community.
Still, because pachislos are sold and traded almost exclusively online, and because most states don't seem to put much effort into enforcing laws against them, most collectors have no trouble acquiring pachislos wherever they live.
