Results 91 to 100 of about 64,274 (180)
Association of some Viral infections and asthma: serological evidence
Background: It is well known that mycotic antigens have an important role in atopy and the induction of asthma. Now one of the important subjects is the relation between respiratory bacterial and viral infections in the inflammatory reactions ...
Shehab Ahmed lafi +2 more
doaj
Infectious viruses so precisely fit their hosts that the study of natural viral infection depends on host-specific mechanisms that affect viral infection.
M. Porotto +9 more
doaj +1 more source
As infecções do trato respiratório são as formas de infecção mais comuns que afetam o homem e, dentre essas, predominam as de causa viral. Os vírus também podem acometer o trato respiratório baixo, causando bronquiolite, bronquite e pneumonia.
Luiz Tadeu Moraes Figueiredo
doaj +1 more source
Interferon, virus vaccines and antiviral drugs
The emergence of viruses with zoonotic potential, i.e. with the potential ability to cross species barriers to infect unnatural hosts, poses a huge threat to humans.
Rodrigues, Ana Mara Lopes
core
Coinfection of some respiratory viruses in cattle: An abattoir study
To investigate the existence of bovine viral diarrhoea virus (BVDV), parainfluenza virus 3 (PIV-3) and respiratory syncytial virus (RSV) as well as its coinfections, a total of 420 pneumonic lung tissue samples were collected from slaughterhouses in ...
Intisar K. Saeed +4 more
doaj +1 more source
The Frequency Distribution of Parainfluenza, Adeno and Respiratory Syncytial Virus Infections in Children below 2 Years Old with Bronchiolititis, by Multiplex Polymerase Chain Reaction Method, Afzalipoor Hospital, Kerman, 2006 [PDF]
Background & Aims: Acute respiratory infections are common cause of mortality during childhood. This study was designed to determine the incidence of adenovirus, parainfluenza virus and respiratory syncytial virus in respiratory infections by Multiplex ...
S.A.M Arabzadeh +4 more
doaj
Isolation of a Parainfluenza Virus Type 3-like Agent from Guinea Pigs [PDF]
Guinea pig (GP) sera seropositive to human parainfluenza virus type 3 (PIV-3) antigen were found previously in our laboratory. In the present study, we attempted to isolate and characterize a new agent from GP colonies.
Watanabe, Yoji +3 more
core
The Viral Replication Complex Is Associated with the Virulence of Newcastle Disease Virus
Virulent strains of Newcastle disease virus ([NDV] also known as avian paramyxovirus type 1) can be discriminated from low-virulence strains by the presence of multiple basic amino acid residues at the proteolytic cleavage site of the fusion (F) protein.
Peeters, B.P.H. +7 more
core +1 more source
Backgrounds: The human Parainfluenza and Influenza viruses are common causes of respiratory infections in humans. The main goals of this study was investigating the prevalence of these viruses in health centers of Mazandaran province and comparing the ...
zeinab Daneshyar +4 more
doaj

