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.
The Child Welfare Information Gateway, a U.S. government-funded adoption information service, estimates that the average U.S. adoption costs $8,000 to $40,000. If you're adopting a child from another country, the range is $15,000 to $30,000. If you're adopting through foster care, which generally involves becoming the parent of an older child, the cost is much lower: zero to $2,500.