Empirical, peroral use of amoxicillin or cefalexin after surgical treatment in early phase of development of dentoalveolar abscess significantly reduced the time of clinical symptoms duration in the acute odontogenic infections in comparison to surgical treatment only. Bacterial strains isolated in early stages of dentoalveolar abscess showed high sensitivity to amoxicillin and cefalexin.
Endemic Balkan nephropathy (EBN) is a kidney disease of unknown etiology limited to Bulgaria, Rumania and former Yugoslavia. Primary kidney tissue cultures were established as explants from tissue obtained at operations from 5 EBN patients with urinary tract tumors. Four out of the five biopsy specimens on extended culture incubation at 33°C yielded a coronavirus virus (EBNV) which was cytopathogenic for human fibroblast and Vero cells. In cells inoculated with EBNV, cytoplasmic immunofluorescence was found using antisera for human coronaviruses OC43 and 229E as well as the porcine transmissible gastroenteric virus and avian (chicken) bronchitis virus. In neutralization tests, EBNV failed to react with antisera to these viruses. Using hyperimmune serum raised with EBNV, positive cytoplasmic immunofluorescence was seen with cells infected with OC43, 229E, TGV and significantly with the kidney tissue of the biopsy specimens from the EBN patients. A screen for neutralizing antibody using the EBN virus revealed that 87.2% of EBN patients on dialysis were positive, also 74% of people from an endemic area were also positive, while only 13.5% from outside were positive. It is suggested that a coronavirus is involved in the etiology of the disease and that humans are an incidental host of a coronavirus zoonosis.
Tick control measures need to be emphasized and utilized to prevent CCHF. This includes spraying camp sites, clothing and danger areas with acaricides or repellent. Strict isolation of patients with CCHF and a focus on barrier nursing would help to prevent nosocomial spread. Presently the vaccine is a dangerous mouse brain-derived version. Future development of a vaccine would help to prevent human infection.
Presence of these bacteria in the inflamed joint might be an important factor in etiopathogenesis of this disease, and it supports the hypothesis that arthritis in Reiter's syndrome is probably of the infectious origin.
Smallpox is a potentially deadly illness caused by the variola virus, an orthopoxvirus. Severe illness followed by blister-like body rash is the sign of smallpox. Smallpox symptoms develop about 12 days after exposure. V. variole can spread very readily by aerosol, which may lead to explosive epidemics. For centuries, smallpox has been a worldwide cause of death, killing about 30% of the infected people. In 1972, the epidemic of smallpox in ex-Yugoslavia was the largest postwar smallpox epidemic in Europe. The total number of the affected was 175, out of whom 35 with fatal outcome, accounting for 20% of mortality. However, after a decade-long vaccination effort, the last natural case of smallpox occurred in 1977. The only way to prevent smallpox epidemic is by vaccination and patients' isolation. The possibility of future bioterrorism attacks, which may cause a new outbreak of smallpox and return variola, is very serious. World population is not immune, because of lack of vaccination. In 1980, the World Health Organization (WHO) declared the disease fully eradicated.
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