Influenza Activity—United States, 1989-1990

JAMA. 1990;263(7):938-941. doi:10.1001/jama.1990.03440070024008.
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ACIP.  Prevention and control of influenza . MMWR 1988;37:361-4 369-73.
Atkinson WL, Arden NH, Patriarca PA, Leslie N, Lui KJ, Gohd R.  Amantadine prophylaxis during an institutional outbreak of type A(H1N1) influenza . Arch Intern Med 1986;146:1751-6.
Link to Article[[XSLOpenURL/10.1001/archinte.1986.00360210129019]]
Mostow SR.  Prevention, management and control of influenza: role of amantadine . Am J Med 1987;82( (suppl 6A) ):35-41.
Link to Article[[XSLOpenURL/10.1016/0002-9343(87)90559-6]]
Mast EE, Davis JP, Harmon MW, Arden NH, Circo R, Tyszka GE.  Emergence and possible transmission of amantadine-resistant viruses during nursing home outbreaks of influenza A(H3N2) (Abstract) . In: Program and abstracts of the twenty-ninth Interscience Conference on Antimicrobial Agents and Chemotherapy . Washington, DC: American Society for Microbiology, 1989:111.
Belshe RB, Burk B, Newman F, Cerruti RL, Sim IS.  Resistance of influenza A virus to amantadine and rimantadine: results of one decade of surveillance . J Infect Dis 1989;159:430-5.
Link to Article[[XSLOpenURL/10.1093/infdis/159.3.430]]
Hayden FG, Belshe RB, Clover RD, Hay AJ, Oakes MG, Soo W.  Emergence and apparent transmission of rimantadine-resistant influenza A virus in families . N Engl J Med 1989;321:1696-1702.
Link to Article[[XSLOpenURL/10.1056/NEJM198912213212502]]
Levels of activity are: 1) Sporadic—sporadically occurring influenza-like illness or culture-confirmed influenza, with no outbreaks detected; 2) Regional—outbreaks of influenza-like illness or culture-confirmed influenza in counties having a combined population of <50% of the state's total population; 3) Widespread— outbreaks of influenza-like illness or culture-confirmed influenza in counties having a combined population of ≥50% of the state's total population.


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