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.
1 The nasal-spray flu vaccine is a vaccine (sometimes called LAIV for Live Attenuated Influenza Vaccine) made with live, weakened flu viruses that do not cause the flu. 2  LAIV is approved for use in healthy people 2 years to 49 years of age who are not pregnant.