Can bacteria or viruses display symptoms of 'boredom'?

It should be noted that bacteria-virus interactions are complex, and there is much that is still unknown. read more

Plant diseases can be difficult to diagnose. So often, they display the same symptoms as plants that are perfectly healthy, except for stresses imposed upon them by our poor cultural practices. When a plant is diseased, it is because of a bacteria, fungus, or virus. read more

There are some viruses that can infect more than one type of organism, as seen in the avian flu for example. Viruses produces disease usually by killing off enough cells to cause damage, or by disrupting the body's homeostasis, the system in which the body maintains all of its functions. read more

Bacterial pneumonia is commonly caused by Streptococcus pneumoniae; this form of pneumonia can be prevented in most instances with a vaccine. Pneumonia can be a serious, potentially fatal infection. Although most people think of pneumonia as affecting only the lungs, the bacteria that cause pneumococcal pneumonia can attack other parts of the body, according to the National Institute on Aging (NIA). read more