Volume 17, Number 6—June 2011
Use of Antiviral Drugs to Reduce Household Transmission of Pandemic (H1N1) 2009, United Kingdom1
|Transmission†||No. contacts||No. secondary case-patients||SAR, % (95% CI)|
|Child to child||148||29||19.6 (13.5–26.9)|
|Child to adult||318||9||2.8 (1.3–5.3)|
|Adult to adult||231||13||5.6 (3.0–9.4)|
|Adult to child||64||11||17.2 (8.9–28.7)|
*SAR, secondary attack rate; CI, confidence interval.
†Primary case-patient to contact.
1Elements of this work were presented at the Health Protection Agency Annual Conference in 2009. An abstract was presented at the International Conference on Emerging Infectious Diseases, Atlanta, Georgia, USA, 2010.
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