Everyone is always asking what animal packs the deadliest venom in the world. Here, once and for all, are the two answers. Sea life has abounded for about 3 billion years longer than life on land, and the longer nature has to evolve its animals, the nastier, deadlier, more perfect (see #4) they get. There are many species of box jellies, but Chironex fleckeri, also called the sea wasp, is by far the most notorious.
Symptoms of Meningitis. The symptoms of meningitis can develop over several hours, or they may take 1 to 2 days. Common symptoms in people over the age of 2 include high fever, headache, and stiff neck. Signs of meningitis may also include distinctive rashes in some forms of the disease. More severe symptoms include nausea, vomiting, confusion, and sleepiness. In newborns and small infants, the classic symptoms of meningitis may be absent or difficult to detect.
Two of the most common symptoms include severe headache and a stiff neck. The neck may be so stiff it is difficult to lower your chin to your chest. Fever is also common and can develop with all causes of meningitis, but is often higher with bacterial meningitis. Additional symptoms include nausea, vomiting and fatigue.lthough different types of meningitis tend to have similar symptoms, the severity will often vary depending on the cause. Symptoms may develop over a few days, but they can also come on suddenly and progress fast. Bacterial meningitis usually causes the most severe symptoms and the fastest progression.