• Viral hemorrhagic septicemia virus (VHSV), a fish rhabdovirus belonging to the Novirhabdovirus genus, causes severe disease and mortality in many marine and freshwater fish species worldwide. (biomedcentral.com)
  • Furthermore, viral RNA fold change and viral titers were lower in animals from the poly I:C + VHSV groups than in the controls. (biomedcentral.com)
  • Viral Haemorrhagic Septicaemia Virus (VHSV) is the causal agent of the viral haemorrhagic septicaemia (VHS), an important disease affecting farmed salmonid species. (biomedcentral.com)
  • A number of viral haemorrhagic septicaemia (VHS) virus isolates of European marine origin were shown to be of low pathogenicity or non-pathogenic to Atlantic salmon parr by waterborne infection. (dtu.dk)
  • After stress or viral infection, the replication rate of M haemolytica in the upper respiratory tract increases rapidly, as does the likelihood of culturing the bacterium. (merckvetmanual.com)
  • As with SARS, COVID-19 disease occurs in stages: first, there is initial infection that allows viral replication, spread of the viral infection throughout the respiratory system, followed by an inflammatory response which can include in more serious cases immune hyper-reactivity. (sanjosefuncmed.com)
  • Corticosteroids may suppress clinical signs of infection and allow diseases such as septicaemia or tuberculosis to reach an advanced stage before being recognised. (obaid.info)
  • Viral shedding for up to 18 months has been reported for seasonal influenza, which has important implications for infection control (5). (blogspot.com)
  • Effective treatment depends partially on immune system destruction of the foci of infection (6), or potential persistent viral particles can be released as soon as oseltamivir therapy is stopped. (blogspot.com)
  • Infections in pregnancy may be classified based on the route of infection and type of organism (viral, bacterial, protozoal). (jpgo.org)
  • The increased bacterial growth rate in the upper respiratory tract, followed by inhalation and colonization of the lungs, may occur because of suppression of the host's defense mechanism related to environmental stressors or viral infections. (merckvetmanual.com)
  • Like influenza and viral pneumonia, these SARS-COV2 primarily affect the lungs and is spread primarily through respiratory droplets and direct contact with body secretions. (sanjosefuncmed.com)
  • A nasopharyngeal aspirate collected on August 7 contained pandemic (H1N1) 2009 viral RNA by real-time PCR for generic influenza A (1) and capillary sequencing for subtype H1N1 (testing by Micropathology Ltd, Coventry, UK). (blogspot.com)
  • To analyze the array of special literature and to summarize the information obtained regarding antiviral vaccines in aquaculture for the prevention of the most common viral diseases of fish. (fsu.ua)
  • iii) Name two viral diseases and their causal viruses. (rbsesolutions.com)
  • Because virus isolation was not performed, true infectivity remains unresolved, but intermittent detection suggests ongoing replication, such as that seen in other immunocompromised patients (2,3). (blogspot.com)
  • Generation and characterization of koi herpesvirus recombinants lacking viral enzymes of nucleotide metabolism. (fsu.ua)
  • Replication and thermal inactivation temperatures are generally lower than for other rhabdoviruses, given the cold-blooded nature of their hosts. (wikipedia.org)
  • Principles of selective inactivation of viral genome. (fsu.ua)
  • Coronaviruses are enveloped, positive-stranded RNA viruses which replicate by binding to human cell receptors, entering the cells and high-jacking the cell's genetic machinery to reproduce viral components. (sanjosefuncmed.com)
  • New viruses are assembled from these components which eventually burst out of the cells causing cell destruction and are then able to infect other cells and begin replication all over again. (sanjosefuncmed.com)
  • Virus was detected in some mortalities, however, demonstrating viral entry and replication. (dtu.dk)
  • Immunocompromised, particularly lymphopenic, patients shed virus for prolonged periods leading to longer treatment courses and viral shedding reviving on termination of treatment. (blogspot.com)
  • The disease is generally regarded as a mild, self-limiting viral illness with occasional complications. (medscape.com)
  • non- specific fetal problems like IUGR, hydrops, and microcephaly may be seen later in pregnancy with a number of viral infections. (jpgo.org)
  • Nile fever has become the dominant vectorborne viral dis- home from these islands. (cdc.gov)
  • Pregnant women may be at risk, exposed to, or contract a viral fever with rash, where the management varies from simple observation and counseling to medical termination of pregnancy, for example in cases of rubella in first trimester. (jpgo.org)
  • The purpose of the following article is to review some of the scientific literature on this topic and provide an evidence-based rationale for the prevention and immune resistance of viral challenges, such as the one resulting from the coronavirus responsible for the current pandemic. (sanjosefuncmed.com)
  • Update on viral vaccines for fish. (fsu.ua)
  • A total of 338 viral operational taxonomic units are identified and linked to 36 bacterial and archaeal phyla. (bvsalud.org)
  • Secondary complications (eg, bacterial pneumonia, meningitis) caused by bacterial superinfection of cutaneous lesions with subsequent septicemia, are also more common and dangerous among those who are immunocompromised. (medscape.com)
  • Bacterial and viral infections are major causes of septic neonatal conjunctivitis, with Chlamydia being the most common infectious agent and Neisseria being the most visually threatening. (medscape.com)
  • The sequence of events in the pathogenesis of mucocutaneous lesions caused by bacterial, fungal and viral infections is outlined in Figure 26.2 . (schoolbag.info)
  • Infections in pregnancy may be classified based on the route of infection and type of organism (viral, bacterial, protozoal). (jpgo.org)
  • Severe leptospirosis cases may present as septic shock, and the differential diagnosis often includes bacterial septicemia, leading clinicians to collect blood cultures. (ox.ac.uk)
  • Field investigations of an outbreak of Ebola hemorrhagic fever, Kikwit, Democratic Republic of the Congo, 1995: arthropod studies. (bmj.com)
  • Transmission of Ebola hemorrhagic fever: a study of risk factors in family members, Kikwit, Democratic Republic of the Congo, 1995. (bmj.com)
  • Ebola haemorrhagic fever in Zaire, 1976. (bmj.com)
  • While the current case fatality proportion in West Africa is approximately 40 %, it has varied substantially over time (highest near the outbreak onset) according to available resources (40-90 % mortality in West Africa compared to under 20 % in Western Europe and the USA), by age (near universal among neonates and high among older adults), and by Ebola viral load at admission. (biomedcentral.com)
  • Several viral families can cause catastrophic infections including HIV/AIDS, hepatitis B and C, and Ebola. (nanoexpo.eu)
  • Ideally, rubella non-immune women should be offered vaccination prior to conception, or if screened during pregnancy, they should be counseled about viral fevers and rash, especially in the first trimester. (jpgo.org)
  • Because virus replication is dependent on host-cell machinery, several antiviral drugs target crucial proteins in this process. (nanoexpo.eu)
  • AVP, in general, has antiviral effects by directly inhibiting the virus, but its inhibitory location and mode of action varies during the virus replication cycle. (nanoexpo.eu)
  • Virus-like particle - Virus like particles (VLPs) consist of viral protein(s) derived from the structural proteins of a virus. (en-academic.com)
  • They cleave precursor viral POLYPROTEINS to produce functional proteins and enzymes. (nih.gov)
  • Severe disseminated disease, with the development of varicella pneumonia, encephalitis, hepatitis, and hemorrhagic complications, is much more common in this population than in other populations. (medscape.com)
  • The disease is generally regarded as a mild, self-limiting viral illness with occasional complications. (medscape.com)
  • Viral processing - The main idea behind viral processing is to stop the viruses in a given sample from infecting the desired product. (en-academic.com)
  • Viral life cycle - Viruses are similar to other living organisms, however there are differences. (en-academic.com)
  • Methylation at the N6 position of adenosine (m6A) is the most abundant internal mRNA modification in eukaryotes, tightly associating with regulation of viral life circles and immune responses. (bvsalud.org)
  • of amphibians comprise genomically diverse motile strains competent for replication in macrophages and survival in mammalian hosts. (zoonosen.net)
  • Extremely low nucleotide diversity is observed in cold seep viral populations, being influenced by factors including microbial host, sediment depth, and cold seep stage. (bvsalud.org)
  • Most cold seep viral genes are under strong purifying selection with trajectories that differ depending on whether cold seeps are active or extinct. (bvsalud.org)
  • The successful replication of a viral agent in a host is a complex process which consists of a number of interactions, most of them related to the coevolution of pathogen and host. (biomedcentral.com)