Dataset Information

Fatal Interstitial Pneumonia Associated with Bovine Coronavirus in Cows from Southern Italy.

ABSTRACT: An outbreak of winter dysentery, complicated by severe respiratory syndrome, occurred in January 2020 in a high production dairy cow herd located in a hilly area of the Calabria region. Of the 52 animals belonging to the farm, 5 (9.6%) died with severe respiratory distress, death occurring 3-4 days after the appearance of the respiratory signs (caught and gasping breath). Microbiological analysis revealed absence of pathogenic bacteria whilst Real-time PCR identified the presence of RNA from Bovine Coronavirus (BCoV) in several organs: lungs, small intestine (jejunum), mediastinal lymph nodes, liver and placenta. BCoV was therefore hypothesized to play a role in the lethal pulmonary infection. Like the other CoVs, BCoV is able to cause different syndromes. Its role in calf diarrhea and in mild respiratory disease is well known: we report instead the involvement of this virus in a severe and fatal respiratory disorder, with symptoms and disease evolution resembling those of Severe Acute Respiratory Syndromes (SARS).

SUBMITTER: Amoroso MG

PROVIDER: S-EPMC7699522 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Fatal Interstitial Pneumonia Associated with Bovine Coronavirus in Cows from Southern Italy.

Amoroso Maria Grazia MG Lucifora Giuseppe G Degli Uberti Barbara B Serra Francesco F De Luca Giovanna G Borriello Giorgia G De Domenico Alessandro A Brandi Sergio S Cuomo Maria Concetta MC Bove Francesca F Riccardi Marita Georgia MG Galiero Giorgio G Fusco Giovanna G

Viruses 20201119 11

An outbreak of winter dysentery, complicated by severe respiratory syndrome, occurred in January 2020 in a high production dairy cow herd located in a hilly area of the Calabria region. Of the 52 animals belonging to the farm, 5 (9.6%) died with severe respiratory distress, death occurring 3-4 days after the appearance of the respiratory signs (caught and gasping breath). Microbiological analysis revealed absence of pathogenic bacteria whilst Real-time PCR identified the presence of RNA from Bov ...[more]

PMID: 33228210

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Project description:Simple Summary Since there is currently little information on the distribution of bovine coronavirus (BCoV) in Italy, we determined its seroprevalence among cattle and water buffalo in the Campania region of southern Italy. We found very high seroprevalence values of 30.8% and 76% at individual and herd levels, respectively. In both cattle and water buffalo, species, age, and origin were common risk factors that were positively associated with antibody detection. Only in water buffalo was a higher sero-prevalence observed in animals cohabiting with cattle, indicating that this practice is incorrect. To the best of our knowledge, this is the first BCoV serological survey performed in southern Italy as well as the first description of BCoV antibody detection in water buffalo in Italy. Abstract Cattle and water buffalo are the main livestock species that are raised in the Campania region, southern Italy, and they contribute significantly to the regional rural economy. Currently there are limited data on the prevalence of relevant impact infections, such as bovine coronavirus (BCov), an RNA virus that causes acute enteric and respiratory disease. Although these diseases are described primarily in cattle, there have been reports of spillovers to other ruminants, including water buffalo. Here, we determined the seroprevalence of BCoV in cattle and water buffalo in the Campania region of southern Italy. An overall seroprevalence of 30.8% was determined after testing 720 sampled animals with a commercial enzyme-linked immunosorbent assay. A risk factor analysis revealed that the seropositivity rates in cattle (49.2%) were higher than in water buffalo (5.3%). In addition, higher seroprevalence rates were observed in older and purchased animals. In cattle, housing type and location were not associated with higher seroprevalence. The presence of BCoV antibodies in water buffalo was associated with the practice of co-inhabiting with cattle, demonstrating that this practice is incorrect and promotes the transmission of pathogens between different species. Our study found a considerable seroprevalence, which is consistent with previous research from other countries. Our results provide information on the widespread distribution of this pathogen as well as the risk factors that are involved in its transmission. This information could be useful in the control and surveillance of this infection.

Dataset Information

Fatal Interstitial Pneumonia Associated with Bovine Coronavirus in Cows from Southern Italy.

Publications

Fatal Interstitial Pneumonia Associated with Bovine Coronavirus in Cows from Southern Italy.

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