For other uses, see Vaccine (disambiguation). A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins.
[ 2 syll. e-gil, eg-il ] The baby boy name Egil is pronounced as EH-GahL â . Egil is primarily used in Scandinavian and it is of Old Norse origin. Original forms of the name include Aghi (Old Norse) and Egill (Old Norse).
Siward or Sigurd (/ËsuËwÉrd/ or more recently /ËsiËwÉrd/ ; Old English: Sigeweard) was an important earl of 11th-century northern England. The Old Norse nickname Digri and its Latin translation Grossus (the stout) are given to him by near-contemporary texts.