A Titer is a blood test that checks your immune status to vaccinations or diseases you may have received in the past. There are two types of immunity a person can have: 1. Titers are blood tests that check your immune status to vaccinations or diseases you may have received in the past. 2  If youâre titers results are positive, it means that you have adequate immunity to a particular infectious disease.
All rights reserved. More from OurAmazingPlanet. VANCOUVER, British Columbia â In 2011, Japan was one of the most prepared countries in the world for a massive earthquake. Yet when a mega-quake hit Japan last March, sparking a huge tsunami, it was shockingly devastating.
THE EARTHQUAKE THAT STRUCK off the Pacific coast of Japan on Friday 11 March, was reported by the USGS (US Geological Survey) to be magnitude 8.9, but the Japan Meteorological Agency on Monday upgraded it to magnitude 9.0, making it perhaps the fourth largest earthquake since records began.