When to Get Influenza Vaccine Shot
Timing and duration of influenza seasons vary. Yearly influenza vaccination should begin in September or as soon as vaccine is available and continue throughout the influenza season, into December, January, and beyond. While flu outbreaks can happen as early as October, most of the time flu activity peaks in January or later.
Flu Vaccine Types
Currently pharmaceutical companies produce two types of vaccines:
The “flu shot”— an inactivated vaccine (containing killed virus) that is given with a needle, usually in the arm. The flu shot is approved for use in people older than 6 months, including healthy people and people with chronic medical conditions.
The nasal-spray flu vaccine — a vaccine [...]
Patent for Universal Influenza Vaccine Approach
Vical Incorporated (Nasdaq:VICL) announced today the issuance of U.S. Patent No. 7,537,768 covering the use of influenza virus gene sequences in a universal vaccine that could provide protection against circulating seasonal strains as well as emerging pandemic strains of influenza viruses.
Vical has patented a new influenza vaccine approach based on portions of the virus which [...]
