Flu Preparedness - Flu Preparedness - SMU

FLU PREPAREDNESS

Pandemic Descriptions and Social Distancing

WHO Pandemic Phase Descriptions

Phase	Description
Phase 1	No animal influenza virus circulating among animals have been reported to cause infection in humans.
Phase 2	An animal influenza virus circulating in domesticated or wild animals is known to have caused infection in humans and is therefore considered a specific potential pandemic threat.
Phase 3	An animal or human-animal influenza reassortant virus has caused sporadic cases or small clusters of disease in people, but has not resulted in human-to-human transmission sufficient to sustain
Phase 4	Human to human transmission of an animal or human-animal influenza reassortant virus able to sustain community-level outbreaks has been verified.
Phase 5	The same identified virus has caused sustained community level outbreaks in two or more countries in one WHO region.
Phase 6	In addition to the criteria defined in Phase 5, the same virus has caused sustained community level outbreaks in at least one other country in another WHO region.
Post Peak Period	Levels of influenza activity have returned to the levels seen for seasonal influenza in most countries with adequate surveillance.
Post Pandemic Period	Levels of influenza activity have returned to the levels seen for seasonal influenza in most countries with adequate surveillance.

CDC
Pandemic Severity Index
Social Distancing

(Phase descriptions follow the table)

SETTING	INTERVENTIONS	Phase 1	Phases 2 & 3	Phases 4, 5 & 6
HOME	Voluntary isolation of ill at home (adults and children); combine with use of antiviral treatment as available and indicated	Recommend	Recommend	Recommend
HOME	Voluntary quarantine of household member in home with ill person (adults and children); consider combining with antiviral prophylaxis if effective, feasible, and quantities sufficient	Generally not recommended	Consider	Recommend
SCHOOL	Child Social Distancing:
	· Dismissal of students from schools and school-based activities, and closure of child care programs	Generally not recommended	Consider: <4 weeks	Recommend: <12 weeks
	· Reduce out-of-school social contacts and community mixing	Generally not recommended	Consider: <4 weeks	Recommend: <12 weeks
WORKPLACE / COMMUNITY	Adult Social Distancing:
	· Decrease number of social contacts (e.g., encourage teleconferences, alternatives to face-to-face meetings)	Generally not recommended	Consider	Recommend
	· Increase distance between persons (e.g., reduce density in public transit, workplace)	Generally not recommended	Consider	Recommend
	· Modify, postpone or cancel selected public gatherings to promote social distance (e.g., postpone indoor stadium events, theatre performances	Generally not recommended	Consider	Recommend
	· Modify work place schedules and practices (e.g., telework, staggered shifts)	Generally not recommended	Consider	Recommend