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The transmission of Pneumocystis carinii from person to person was studied by detecting P. carinii-specific DNA in prospectively obtained noninvasive deep-nasal-swab samples from a child with a documented P. carinii pneumonia (PCP), his mother, two contact health care workers, and 30 hospital staff members who did not enter the patient's room (controls).(More)
Local administration of drugs by means of aerosol device is widely used in the treatment of asthma. Nevertheless, the effectiveness of this method depends on an adequate inhalation technique (IT), which available evidence has shown to be rather problematic. The aim of this study was to assess IT in out-patients with bronchial asthma who frequently use(More)
The attenuated Brucella melitensis Rev 1 vaccine, used against brucellosis infection, interferes with serological diagnosis tests, may induce abortions in pregnant animals, and may infect humans. In order to overcome these drawbacks, we developed acellular vaccines based on a Brucella ovis antigenic complex (HS) containing outer membrane proteins and R-LPS(More)
Varicella is a disease caused by varicella-zoster virus. It is transmitted via the respiratory route, is highly communicable and mainly affects young children. An effective vaccine is now available, whose routine use is advised by health authorities in the USA and which can prevent severe disease, although breakthrough infections do occur. In deciding(More)
The objective of this work was to study the behaviour of influenza with respect to morbidity and all-cause mortality in Catalonia, and their association with influenza vaccination coverage. The study was carried out over 13 influenza seasons, from epidemiological week 40 of 1994 to week 20 of 2007, and included confirmed cases of influenza and all-cause(More)
PURPOSE Hepatitis A normally is underreported by statutory disease reporting systems. The objective of this study is to estimate the incidence of hepatitis A virus (HAV) infection from prevalence surveys of infection carried out in representative samples of the population in 1989, 1996, and 2002 and the reported disease incidence during 1991 to 2003 in(More)
Tuberculosis (TB) continues to cause millions of new cases and deaths worldwide every year. The World Health Organization (WHO) has recently estimated that in 2007 9,273,000 cases (incidence 139/100,000 inhabitants) and 1,772,000 deaths were attributed to TB and, in the previous year, the absolute figure was slightly lower (9,240,000 cases) and the(More)
abstraCt Gastrointestinal foreign body in children Gastrointestinal foreign bodies (FB) are frequent complaints in the emergency departments, with esophageal foreign bodies as the most frequent cases. Symptoms are varied and depend on the location of the FB, with several techniques available for removal. objective: To describe the FB removed by endoscopy in(More)