The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the first example the result is due this month.
The calculator is not a vaccine schedule and does not issue a referral. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months.
Enter data and click Calculate.
The calculator uses the numbers you enter. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the first example the result is due this month.
The five form fields are Age, Heart/lung chronic disease flag, Close-contact work intensity, Years since last influenza vaccine, and Upcoming travel. Months to flu shot means: This is the main result on this page. In the first example it is due this month. Age means: The first form field. It enters the formula or sits beside the result. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. Heart/lung chronic disease flag means: The second form field. The calculator is not a vaccine schedule and does not issue a referral.
The second example gives 12 months overdue. The third example gives in 10 months. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the first example the result is due this month.
The calculator is not a vaccine schedule and does not issue a referral.
Enter 45, 0, 4, 1, 0, then click Calculate. A comma in 12.5 is read the same way as a period. Fields on a 0-10 scale are notes and are not the primary result unless this page formula says so.
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months.
In the first example the result is due this month. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months.
due this month
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the first example the result is due this month.
12 months overdue
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the second example the result is 12 months overdue.
in 10 months
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. In the third example the result is in 10 months.
In the first example the result is due this month. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months.
With the second set of fields the result is 12 months overdue.
With the third set of fields the result is in 10 months.
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months.
The calculator is not a vaccine schedule and does not issue a referral.
This is the main result on this page. In the first example it is due this month. The first form field. It enters the formula or sits beside the result. The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. The second form field. The calculator is not a vaccine schedule and does not issue a referral.
Yes. 12.5 and 12,5 are read the same way.
No. Fields on a 0-10 scale are notes, unless this page formula counts marked items from them. The primary result comes from this page formula.
12 months. The result is months until or after the due date. Age and heart or lung disease sit beside the months.
No. The calculator counts the gap since an influenza dose and does not issue a referral.
No. Heart or lung disease sits beside the months. The flu interval stays 12 months.
On a 12-month interval about 4 months remain until due, if years since the dose match the label.
No. Local calendars and age still decide timing. Here you only see months versus 12.
The result is months until or after a 12-month influenza vaccine interval. Age and heart or lung disease sit beside the months. The calculator is not a vaccine schedule and does not issue a referral.
Page updated in 2026.
