As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.iruses. Viruses are even smaller than bacteria and require living hosts â such as people, plants or animals â to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
Some seizures may place temporary but severe stress on the body and cause problems with the muscles, lungs, or heart. Choking, an abnormal heartbeat, or other problems may cause sudden death, though this is rare. Untreated seizures that become more severe or frequent may lead to these problems.
Seizures can take on many different forms, and seizures affect different people in different ways. Anything that the brain does normally can also occur during a seizure when the brain is activated by seizure discharges. Some people call this activity âelectrical stormsâ in the brain. Seizures have a beginning, middle, and end. Not all parts of a seizure may be visible or easy to separate from each other.