Converse of object

• catch: If you catch flu or a serious cold, you need to keep warm and stay in bed.

Adjective modifier

• avian: Avian flu - the ecology of an epidemic Bird flu has been raging through Asia for more than a decade.

• pandemic: Bird flu or Pandemic flu, the media has made the lot a mess.

• h5n1: There have been no human cases of H5N1 flu in the United States.

• gastric: He recently had gastric flu and his appetite has gone downhill ever since.

• seasonal: Seasonal flu normally kills up to 500,000 in any year.

• Asian: Asian bird flu is out of control; in Africa the same situation is imminent.

Modifies a noun

• jab: How does the flu jab get created each year?

• pandemic: How real is the threat of a flu pandemic?

• vaccination: Flu vaccination figures are collated over the period October to December.

• vaccine: Seasonal flu vaccines will not protect against pandemic flu.

• epidemic: There has been a lot of coverage in the press recently about a potential flu epidemic.

• immunization: Each year the Chief Medical Officer provides details of the recommended target groups for seasonal flu immunization.

Noun used with modifier

• bird: Bird flu or Pandemic flu, the media has made the lot a mess.

• yuppie: When they did they referred to it as " yuppie flu " .

• swine: His cautionary approach was powerfully vindicated by the scandal of the 1976 ' swine flu ' epidemic in the USA 3.

• cat: Calling my HIV the cat flu is something I do to take the sting out of it.

• chicken: So far this year 40 people have died from chicken flu in Asia.

Possessives

• fresher: Who knows, maybe the latest wave of freshers ' flu is the product of a biological weapons experiment?

Preposition: like

• symptom: Most people tested for flu like symptoms; will be suffering from regular seasonal flu.