Havrix is a hepatitis A vaccine. Hepatitis is a serious disease caused by a virus. Hepatitis causes inflammation of the liver, vomiting, and jaundice (yellowing of the skin or eyes). Hepatitis can lead to liver cancer, cirrhosis, or death.
The oldest plant ever to be regenerated has been grown from 32,000-year-old seedsâbeating the previous recordholder by some 30,000 years. (Related: 'Methuselah' Tree Grew From 2,000-Year-Old Seed.) 1  Imagining the Banana of the Future.  The Curious Case of the Bumblebee, the Virus and the Tomato.
The seed coat is extremely durable (as you well know if you've ever stepped on one with a bare foot) and in the right conditions can last upwards of 20 years. Typically 3-7 years is the period most of us are dealing with. Each fruit or burr, from the plant separates into five separate segments. Each segment has two to four seeds inside it. Each of those individual seeds have a varying degree of dormancy.