Background: The main viral causes of acute respiratory diseases (ARDs) include influenza viruses A and B, respiratory syncytial virus (RSV), adenovirus (ADV), rhinovirus, and parainfluenza viruses (PIV). This study aimed to investigate the prevalence of respiratory RSV, ADV and rhinovirus in patients with flu-like symptoms admitted to Mazandaran province health centers in north of Iran. Metho...

Potato virus Y (PVY) as one of the serious diseases on tobacco (Nicotiana tabacum L.), reduces leaf yield and its quality. Use of re-sistant genotypes is being considered as the most effective, economical and a safe way to reduce damages of the virus. In the present study, the response of 90 oriental and semi-oriental tobacco genotypes was evaluated against PVY using randomized complete block d...

In recent years, the symptoms of viral diseases such as dwarfism, mosaic, discoloration, necrosis, and circular spots have been prevalent in ornamental plants in parks, gardens, and streets in North Khorasan Province. Tomato ring spot virus (ToRSV) belongs to the Nepovirus genus of Secoviridae family. This virus is a major cause of the infection of ornamental plants in the world. In this study,...

Infectious Laryngotrachitis (ILT) is an acute respiratory disease with high morbidity and low mortality in poultry. ILT is caused by Gallid herpesvirus 1 (GaHV-1), a member of the Iltovirus genus and family Herpesviridae. It resulted in notable economic losses due to decreasing the growth rates, egg production, and increasing the mortality in commercial poultry, especially layer flocks, and usu...

biosecurity in the production of broiler chickens is very important but it is hard or even impossible to maintain; hence, promotion of immune responses could control diseases in chickens. at present study, the effect of six levels of oil-extracted propolis (0, 50, 100, 150, 200 and 250 mg/kg ration) on immune system against newcastle virus was studied using a completely randomized design with 3...

bluetongue is an acute and subacute viral diseases of domestic and wild ruminants.this research was conducted to assess the disease status using serological diagnostic methods and virus isolation were performed. during the period 2003-2006, from sheep farms of 9 provinces including markazi, ardabil, yazd, qom, east azarbaijan, west azarbaijan, qazvin, isfahan and golestan, four handred thirty t...

Rinderpest is a serious contagious disease of cattle, Asian buffalo, yak and many other herbivores both domesticated and wild, including swine, African buffalo, giraffe and lesser kudu. Rinderpest is caused by a virus which is related closely to that of human measles, canine distemper, peste des petits ruminants and other viruses in the morbillivirus subgroup of the paramyxoviruses. Rinderpest,...

OBJECTIVE This study was undertaken to compare the frequencies of vaginal infections among human immunodeficiency virus-infected women with those among human immunodeficiency virus-seronegative women. STUDY DESIGN Human immunodeficiency virus-seropositive women attending a comprehensive care center for human immunodeficiency virus disease at the outpatient department of an inner-city hospital...

Rinderpest is a serious contagious disease of cattle, Asian buffalo, yak and many other herbivores both domesticated and wild, including swine, African buffalo, giraffe and lesser kudu. Rinderpest is caused by a virus which is related closely to that of human measles, canine distemper, peste des petits ruminants and other viruses in the morbillivirus subgroup of the paramyxoviruses. Rinderpest,...

Rinderpest is a serious contagious disease of cattle, Asian buffalo, yak and many other herbivores both domesticated and wild, including swine, African buffalo, giraffe and lesser kudu. Rinderpest is caused by a virus which is related closely to that of human measles, canine distemper, peste des petits ruminants and other viruses in the morbillivirus subgroup of the paramyxoviruses. Rinderpest,...