Volume 16, Number 8—August 2010
Quarantine Methods and Prevention of Secondary Outbreak of Pandemic (H1N1) 2009
|Group||Total no.||No. suspected||No. uninfected||p value*|
|Exposed to virus-positive contacts|
|Sharing same room and toilet||19||5||14||0.02†|
|Sharing same toilet and different room
|Not exposed to virus-positive contacts|
|Quarantined 1 to a room||6||0||6||1.00‡|
|Quarantined 2 to a room
*2-tailed Fisher exact test.
†p value for the comparison between attack rates of suspected cases among the virus-negative contacts comparing those sharing the same room and toilet with a virus-positive contact and those sharing the same room and toilet with a virus-negative contact.
‡p value for the comparison between attack rates of suspected cases among the virus-negative contacts not exposed to the virus-positive contacts compared with those quarantined in single rooms and those in double rooms.