| 2026-08-16 | Reason to take a shot |
| 2026-08-09 | Target of an annual vaccine |
| 2025-10-20 | It goes around every year |
| 2025-07-17 | Seasonal malady |
| 2025-06-25 | Bad bug |
| 2024-07-20 | Seasonal threat |
| 2024-07-14 | Target of a seasonal shot |
| 2024-06-05 | Seasonal vaccine target |
| 2024-02-17 | Bug that sounds like it was in the air? |
| 2023-09-24 | Apt rhyme of "Achoo!" |
| 2023-07-16 | Winter bug |
| 2023-06-24 | ___ season |
| 2022-11-13 | Target of an annual shot |
| 2022-08-12 | Common bug |
| 2022-04-14 | Bug that no one likes |
| 2021-11-02 | ___ vaccine |
| 2021-02-25 | ___ season |
| 2020-10-28 | Winter malady |
| 2020-03-11 | Reason for seasonal shots |
| 2020-02-09 | Ailment with a "season" |
| 2019-10-24 | ___ shot |
| 2019-07-30 | Vaccine target |
| 2019-02-04 | Bug mostly seen in winter |
| 2018-01-28 | Kind of shot |
| 2017-07-27 | Seasonal woe |
| 2017-06-01 | Something bad to come down with |
| 2016-12-07 | Bug that thrives in the winter |
| 2016-11-21 | Focus of a yearly shot |
| 2016-10-27 | Certain bug |
| 2016-09-05 | It might give you the chills |
| 2016-08-03 | Annual vaccine target |
| 2016-04-26 | Word before shot or season |
| 2015-09-20 | ___ bug |
| 2015-09-03 | Winter woe |
| 2015-05-18 | Annual winter outbreak |
| 2015-04-26 | Kind of season |
| 2015-03-29 | ___ season |
| 2014-08-07 | ___ shot |
| 2013-11-26 | Winter woe |
| 2013-10-13 | Something you might get shot for? |
| 2012-10-28 | Bird ___ |
| 2012-04-25 | Swine ___ |
| 2011-09-26 | It might make you go "Achoo!" |
| 2011-07-17 | Kind of shot |
| 2011-05-24 | Grippe |
| 2011-04-25 | Winter malady |
| 2010-12-03 | W.H.O. concern |
| 2008-12-17 | Yuppie ___ (chronic fatigue syndrome) |
| 2008-02-15 | Possible work force reducer |
| 2007-06-29 | Kind of season |
| 2006-08-06 | Bird ___ |
| 2006-02-17 | Bird ___ |
| 2005-08-22 | (The) bug |
| 2005-05-11 | Winter bug |
| 2004-11-21 | Sore throat producer |
| 2004-08-12 | Winter worry |
| 2004-06-09 | Kind of shot |
| 2004-02-08 | Certain strain |
| 2004-01-26 | Winter ailment |
| 2003-12-09 | Winter bug |
| 2003-11-23 | Bug |
| 2003-10-01 | Runny nose cause |
| 2003-07-27 | Sneeze's cause, perhaps |
| 2002-07-03 | Bug |
| 2002-02-26 | Winter ailment |
| 2001-10-14 | Bug |
| 2001-10-03 | Kind of shot |
| 2001-05-27 | Kind of shot |
| 2000-11-26 | Unwanted "gift" |
| 2000-11-22 | Fever cause |
| 2000-06-20 | Winter woe |
| 1998-11-05 | Asian ___ |
| 1998-09-04 | Bug |
| 1998-06-07 | Winter woe |
| 1997-09-29 | Winter bug |
| 1996-09-16 | Winter bug |
| 1996-04-23 | 24-hour ___ |
| 1994-11-04 | Winter woe |
| 1994-10-06 | Winter bug |
| 1994-04-03 | Bug |
| 1994-03-18 | Hong Kong, e.g. |
| 1994-01-05 | Kind of shot |
| 1993-12-25 | Cold's kin |