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2 produkter
2 produkter
Viral Zoonoses and Food of Animal Origin
A Re-Evaluation of Possible Hazards for Human Health
Inbunden, Engelska, 1997
1 637 kr
Skickas inom 10-15 vardagar
The investigations of virus infections naturally transmitted from animals to men are a challenge to multidisciplinary science. Some of these zoonoses are very common, others are sporadic but show a life-threatening clinical course. The contributions presented by world-wide leading experts are going to update the present scientific, administrative and legislative knowledge in the field of food-borne virus infections in men. Major topics include classic zoonoses, pox, irido, influenza, enteric and newly emerging virus diseases and their role for Public Health including strategies to avoid virus transmission by biopharmaceutical products. The contributions are aimed at public and veterinary public health authorities, diagnostic and scientific institutes as well as food producing and pharmaceutical companies.
Viral Zoonoses and Food of Animal Origin
A Re-Evaluation of Possible Hazards for Human Health
Häftad, Engelska, 1997
1 637 kr
Skickas inom 10-15 vardagar
Since the central theme of this book is the transmission of disease agents through the food chain, we will examine influenza viruses from this perspective. Influenza A viruses are found in humans, pigs, horses, sea mammals, and also in wild aquatic and domestic birds [23]. How are they spread? Between mammals, influenza is an airborne infection, but between birds, influenza can be either an airborne or waterborne infection. Influenza viruses of aquatic birds periodically transmit to domestic birds sometimes with catastrophic effects; this transmis sion can be either airborne or waterborne. Less frequently, avian influenza viruses transmit to mammals and three to four times in the past century this transmission has initiated a pandemic of influenza in humans. The method of spread of avian influenza viruses to mammals remains unresolved, but could be either airborne or waterborne. In this report we will consider recent examples of interspecies transmission of influenza A viruses and the possible prevention of emergence of the next human pandemic which is considered imminent. The reservoirs of influenza A viruses The available evidence indicates that aquatic birds are the reservoirs of all 15 subtypes of influenza A viruses. We will first consider the replication of influenza A in aquatic birds. In wild ducks, influenza viruses replicate preferentially in the cells lining the intestinal tract, cause no disease signs, and 8 7 are excreted in high concentrations in the feces (up to 10 .