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.
If it is too soon to plant the seeds out you can add your germinated seeds to the compost or use them as a center piece on the table and see how long you can grow the seeds in a paper towel. Seed Life Span. Different seeds have different life spans. Onion seeds, for example, rarely live over two years, where as alfalfa seeds can be viable for 20 years. There are even reports of seeds that are hundreds of years old and the seeds will still germinate. How the seeds are stored affects the lifespan of the seeds. Some seeds, no matter how they are stored, just donât live long at all. The chart below shows the average life spans of seeds that are stored properly.