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.
As Iâve been looking through my on-hand supply of leftover vegetable seeds, in particular, I kept saying to myself, âNow does lettuce last two years or five?â and knew it was time once and for all to make a handy reference chart comparing how long different seeds last, according to whom. Most seed will last a couple to several yearsâbut there are disclaimers to even that general a statement. As living things, seeds are perishable, particularly if not kept cool and dry (such as in a tightly sealed jar in the refrigerator or freezer). Humidity, in particular, is death to seeds.