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.
What kind of plants and animals are found in Japan? Go to the Q & A section of our page on Nature and Climate. Where are earthquake fault lines located in Japan? For information about earthquakes in Japan, go to Why is Japan prone to earthquakes? How many earthquakes has Japan had? Each year countless earthquakes occur in Japan, but most are so small that they can't be felt. Over the last century, Japan has experienced 23 earthquakes that have caused major damage, one of the biggest being the Great Hanshin Earthquake that occurred in Kobe in 1995. The most devastating earthquake in modern times was the great Tokyo Earthquake of 1923, in which 100,000 died.