phenylephrine-hydrochloride and Gastroenteritis

Two human parvoviruses were recently discovered by metagenomics in Africa, bufavirus (BuV) in 2012 and tusavirus (TuV) in 2014. These viruses have been studied exclusively by PCR in stool and detected only in patients with diarrhoea, although at low prevalence. Three genotypes of BuV have been identified. We detected, by in-house EIA, BuV1-3 IgG antibodies in 7/228 children (3.1%) and 10/180 adults (5.6%), whereas TuV IgG was found in one child (0.4%). All children and 91% of the adults were Finnish, yet interestingly 3/6 adults of Indian origin were BuV-IgG positive. By competition EIA, no cross-reactivity between the BuVs was detected, indicating that the BuV genotypes represent distinct serotypes. Furthermore, we analysed by BuV qPCR stool and nasal swab samples from 955 children with gastroenteritis, respiratory illness, or both, and found BuV DNA in three stools (0.3%) and for the first time in a nasal swab (0.1%). This is the first study documenting the presence of BuV and TuV antibodies in humans. Although the seroprevalences of both viruses were low in Finland, our results indicate that BuV infections might be widespread in Asia. The BuV-specific humoral immune responses appeared to be strong and long-lasting, pointing to systemic infection in humans.

Topics: Adult; Antibodies, Bacterial; Child, Preschool; Feces; Female; Finland; Gastroenteritis; Genotype; Humans; Infant; Male; Middle Aged; Nose; Parvovirus; Respiratory Tract Diseases; Seroepidemiologic Studies; Young Adult

With the severe acute respiratory syndrome epidemic of 2003 and renewed attention on avian influenza viral pandemics, new surveillance systems are needed for the earlier detection of emerging infectious diseases. We applied a "next-generation" parallel sequencing platform for viral detection in nasopharyngeal and fecal samples collected during seasonal influenza virus (Flu) infections and norovirus outbreaks from 2005 to 2007 in Osaka, Japan. Random RT-PCR was performed to amplify RNA extracted from 0.1-0.25 ml of nasopharyngeal aspirates (N = 3) and fecal specimens (N = 5), and more than 10 microg of cDNA was synthesized. Unbiased high-throughput sequencing of these 8 samples yielded 15,298-32,335 (average 24,738) reads in a single 7.5 h run. In nasopharyngeal samples, although whole genome analysis was not available because the majority (>90%) of reads were host genome-derived, 20-460 Flu-reads were detected, which was sufficient for subtype identification. In fecal samples, bacteria and host cells were removed by centrifugation, resulting in gain of 484-15,260 reads of norovirus sequence (78-98% of the whole genome was covered), except for one specimen that was under-detectable by RT-PCR. These results suggest that our unbiased high-throughput sequencing approach is useful for directly detecting pathogenic viruses without advance genetic information. Although its cost and technological availability make it unlikely that this system will very soon be the diagnostic standard worldwide, this system could be useful for the earlier discovery of novel emerging viruses and bioterrorism, which are difficult to detect with conventional procedures.

Topics: Base Sequence; DNA, Bacterial; Feces; Gastroenteritis; Genetic Techniques; Humans; Influenza, Human; Molecular Sequence Data; Norovirus; Nose; Orthomyxoviridae; Reverse Transcriptase Polymerase Chain Reaction; RNA, Viral; Sequence Analysis, DNA; Sequence Homology, Nucleic Acid

Mucormycosis is the name for invasive fungal infection caused by mucorales. The disease is uncommon and produces serious and rapidly fatal infection in patients with serious pre-existing illness. The classical presentation of rhinocerebral mucormycosis is involvement of nasal mucosa with invasion of paranasal sinuses and orbit. We report a case of mucormycosis in an otherwise healthy female who had developed acute renal failure following gastroenteritis.

Topics: Acute Kidney Injury; Adult; Anti-Bacterial Agents; Central Nervous System Infections; Fatal Outcome; Female; Gastroenteritis; Humans; Immunocompetence; Mucormycosis; Nose

Topics: Acids; Administration, Oral; Animals; Biological Assay; Diarrhea; Ethyl Ethers; Feces; Gastroenteritis; Guinea Pigs; Haplorhini; Hot Temperature; Human Experimentation; Humans; Immunity; Intestines; Macaca; Methods; Mice; Micropore Filters; Nose; Organ Culture Techniques; Rabbits; Species Specificity; Vomiting

Topics: Adenoviridae Infections; Ampicillin; Anal Canal; Bronchiectasis; Child; Child, Preschool; Cloxacillin; Complement Fixation Tests; Female; Finland; Follow-Up Studies; Gastroenteritis; Heart Diseases; Hemorrhagic Disorders; Hepatomegaly; Humans; Infant; Kidney Diseases; Male; Meningism; Meningoencephalitis; Nose; Parasympatholytics; Penicillins; Pneumonia, Viral; Pulmonary Fibrosis; Radiography