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Also known as the tulip break virus, lily streak virus, lily mosaic virus, or simply TBV, tulip breaking virus is most famous for its dramatic effects on the color of the tulip perianth, an effect highly sought after during the 17th-century Dutch "tulip mania". [3] Tulip breaking virus is a potyvirus. [4]
She concluded that the infectious agent was a virus as the filtrate of an infected bulb did not cause "breaking", and that the virus was probably spread by aphids. [3] Tulip enthusiasts who wanted "true colours" were pleased as the research showed that "breaking" could be prevented by stopping infection of the bulbs (for example, by aphids).
The virus can cause mild to severe epizootics in wild and domesticated animals. [246] Many species of wild birds migrate and this has spread influenza across the continents throughout the ages. The virus has evolved into numerous strains and continues to do so, posing an ever-present threat. [247]
Children younger than 5 years of age. ... As many as one out of every 20 children with measles gets pneumonia, the leading cause of death in children with the virus, and one child out of every ...
Affected are preschool and school-age children with a male predominance. [2] In one study, the median age was 6 years (range 2–13.2 years). [1] It has been estimated that BACM has an incidence of 2.69 cases per 100,000 children (<18 years) during epidemic seasons and 0.23 cases during non-epidemic seasons. [3]
"Under the age of one, sometimes their body will kick in a natural immune system response and fight the cancer on its own with nothing," Lauren adds. "Violette's body did not do that.
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The median age of onset appears to be at least 7 years (compared with 2 years for Kawasaki disease, which primarily affects children under the age of 5). [22] Male children seem to be more frequently affected (broadly in line with Kawasaki disease, where the male to female ratio is about 1.5 to 1). [22]