They can even be spread by breathing the air around someone who is sick. Some infectious diseases, such as measles, can be prevented by a vaccination, which is a shot that makes you immune to the pathogen. Proper hygiene, such as washing your hands regularly, can also help prevent infectious diseases.
It's sort of like a Furby that hatches from an egg, adorably poking through its glowing shell when you rub it. The normal price of Hatchimals is $50 to $60, but this season's must-have toy is sold out in virtually all stores and major retailer websites.
Cost of Running an Incubator (average per year, based on national statistics): Electricity: $1.21 Water for humidity: $0.30 Replacement parts: $1.09 Egg cartons or trays for hatching: $0.73 Eggs for hatching: $250 Food and bedding for resulting chicks/ducklings: $85.28