In the USA is is the law. Medical issues are private matters between a healthcare provider and patient. If a person's private information was to "get out" it might affect their ability to get a job or they might face other predjudices Also the private insurance numbers could be used to steal someone's identity.
By skin-to-skin contact
(handshakes or hugs).
By touching a contaminated surface (blanket or doorknob).
Babies who are exposed to two languages start with
______ vocabularies but will become fluent in both languages and have higher test scores than those in first-language programs.
Answer : mixing