Add insurance and extra services. Priority MailÂ® covers up to $50 of package value. For packages with a value over $50, additional insurance can be purchased to cover the balance. Priority Mail Expressâ¢ covers up to $100 of package value. For packages with a value over $100, additional insurance can be purchased to cover the balance.
Zostavax is made using a live but weakened chickenpox virus; the new vaccine, just called HZ/su for now, uses a piece of DNA from the virus and a compound called an adjuvant to boost the immune system.
Injection versus nasal spray. Flu vaccines are available either as. a trivalent or quadrivalent injection (TIV or QIV), which contains the inactivated form of the virus. a nasal spray of live attenuated influenza vaccine (LAIV, Q/LAIV), which contains the attenuated or weakened form of the virus.