U. S. PUBLIC HEALTH SERVICE ADVISORY COMMITTEE ON IMMUNIZATION PRACTICES
This content is PDF only. Please click on the PDF icon to access.
The Nationwide epidemic of A2 influenza in the United States in the fall and winter of 1968-1969 showed the impact of a major antigenic change in the prevalent influenza viruses. The Hong Kong strain responsible for the epidemic was the most distinctive variant among A2 influenza viruses identified since initial appearance of the A2 subtype in 1957. The 1968-1969 epidemic highlighted again the problems that are encountered in rapidly developing and producing sufficient quantities of vaccine incorporating a new antigen.
Forty-four states reported widespread outbreaks of Hong Kong strain influenza; in six, involvement was less extensive. In all nine geographic
U. S. PUBLIC HEALTH SERVICE ADVISORY COMMITTEE ON IMMUNIZATION PRACTICES. Influenza: Recommendations for Immunization. Ann Intern Med. 1969;71:617–618. doi: 10.7326/0003-4819-71-3-617
Download citation file:
Published: Ann Intern Med. 1969;71(3):617-618.
Infectious Disease, Prevention/Screening.
Results provided by:
Copyright © 2018 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
Conditions of Use