1 Angina Pectoris: It is described as a pain located at the back of the breast bone which may be sharp or dull. This sensation may radiate or crawl to the hand, arm, left shoulder, or jaw.  Vasculitis: When the small to medium sized arteries are inflamed, head tingling and numbness may result.
Most species of shark eat things like fish, crustaceans, mollusks, plankton, krill, marine mammals and other sharks. Sharks also have a very acute sense of smell that allows them to detect blood in the water from miles away.
The test uses a technology called PCR, for polymerase chain reaction. It can detect extraordinarily small traces of genetic material from the Ebola virus. But the catch is, the test is usually used on blood samples. And in the beginning, that's not where the Ebola virus hides.