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Current Trends Influenza Activity -- Nevada

Isolation of two influenza viruses from persons in Las Vegas, Nevada, during late October 1984 has been reported. They have been preliminarily identified as related to A/Philippines/2/82(H3N2). The first isolate was from a 63-year-old woman who developed fever of 39.4 C (103 F), headache, and myalgias on October 24 and was admitted to a local hospital for 6 days. The second was from a 77-year-old man with chronic obstructive pulmonary disease, who was hospitalized on October 29 following onset of fever (38.9 C (102 F)), headache, myalgias, and nausea. No influenza outbreaks have been reported in Nevada. Reported by J Clark, P Reichelderfer, PhD, J Oparnico, Sunrise Hospital, N Venger, MD, K Fazekas, MD, Las Vegas, J Constantino, O Ravenholt, MD, Clark County Health Dept, GE Reynolds, MD, State Epidemiologist, Nevada State Dept of Human Resources; WHO Collaborating Center for Influenza, Influenza Br, Div of Viral Diseases, Center for Infectious Diseases, CDC.

Editorial Note

Editorial Note: It is common for sporadic isolates of influenza to be reported at this time of year in the United States, indicating low-level spread of virus in the population. Both patients in Nevada were hospitalized, illustrating the potential benefit of administering influenza vaccine annually to those persons at greatest risk of complications from influenza infections. The Immunization Practices Advisory Committee (ACIP) has recommended that priority be given to develop special programs for administration of vaccine to two of the groups at high risk: (1) adults and children with chronic disorders of the cardiovascular or pulmonary systems severe enough to have required regular medical follow-ups or hospitalization during the preceding year; (2) residents of nursing homes and other chronic-care facilities (e.g., institutions housing patients of any age with chronic medical conditions) (1).

Influenza vaccine, although normally given in the fall, should continue to be administered to persons in the above high-priority groups, as well as to persons in other groups recommended to receive it (1), up to the time influenza epidemics are occurring. Physicians and administrators of facilities providing care for persons at high risk are also encouraged to evaluate the organization and outcome of present vaccination activities to determine whether changes could improve the delivery of vaccine to high-priority groups during the 1985-1986 season.

CDC will make available to health-care organizations and public health or voluntary agencies camera-ready copies of a revised brochure, "What You Should Know About 'Flu and 'Flu Shots," suitable for reprinting locally. Requests should be sent to the Centers for Disease Control, Influenza Branch, Division of Viral Diseases, Building 7, Room 111, Atlanta, Georgia 30333. In addition, a limited number of printed brochures is available from the above address. Requests for these should include a preaddressed, adhesive label to facilitate mailing the brochures.


  1. ACIP. Prevention and control of influenza. MMWR 1984:33:253-60, 265-6.

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