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Influenza was reported in 49 of the 50 States during the winter and spring of 1965-66 with laboratory confirmations in 47. The season was noteworthy in that sometimes sharp and extensive outbreaks both of types A and B influenza occurred. Type A2 virus was recognized in most of the western States while type B predominated east of the Mississippi River, particularly in States along the Atlantic Coast. In 20 States, activity of both types of influenza viruses was demonstrated.
Although school absenteeism associated with type B influenza was elevated in New England, and to a lesser extent
Influenza: Recommendations for Immunization: Recommendation of the U. S. Public Health Service Advisory: Committee on Immunization Practices1: Influenza Vaccine—Civilian Use—1966-67. Ann Intern Med. ;65:797–799. doi: 10.7326/0003-4819-65-4-797
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Published: Ann Intern Med. 1966;65(4):797-799.
Infectious Disease, Influenza, Prevention/Screening, Vaccines/Immunization.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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