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.
The symptoms of viral meningitis can resemble symptoms of other diseases, such as influenza. These symptoms can include fever, headache, and nausea and vomiting. Symptoms in infants can also include irritability, lethargy, unusual drowsiness, and poor feeding.