The primary model favors weeks 47–48
National · All ages
Mean burden left avoidable because of vaccination timing
Burden left avoidable because of timing
Seasonal ILI visits per 10,000 outpatient encounters each week
September–October guidance
Week 40
Week 44
Late November–early December
Weeks 47–48
at either date
Vaccination date · approximate calendar
Lower is better
Mean of 5,000 scenarios
1 · Start
2 · Show the result
3 · Highlight the window
Arrow keys to advance
↺