Modern thought often places fruits and vegetables at odds with each other. A food can belong to one but not both. Botanically speaking, a fruit develops from the wall of a plant's ovary and encases the seeds, so back in 1893, John Nix was right: Botanists consider tomatoes a fruit, not a vegetable.
and cough in dogs are more commonly the result of a complex of infectious agents including. viruses rather than a single bacterial species. Clearly, Bordetella species can cause symptoms of upper respiratory infection in dogs, and. bordetella species are considered the single most important causal agent for CIRD.
Upper respiratory infection facts. 1  Upper respiratory infections are one of the most common reasons for doctor visits. 2  Upper respiratory infections are the most common illness resulting in missed work or school. 3  Upper respiratory infections can happen at any time, but are most common in the fall and winter. Upper respiratory infections can happen at any time, but are most common in the fall and winter. 2  The vast majority of upper respiratory infections are caused by viruses and are self-limited. 3  Symptoms of upper respiratory infection include. 4  cough, 5  sneezing,