Converse of object

• catch: This could happen if someone already infected with the human flu virus catches the bird flu.

• prevent: Health officials are working overtime to prevent bird flu from becoming a major outbreak.

• fight: Jan 2006 The world bank estimates the cost of fighting bird flu will reach billions of dollars.

• get: I'm sure this is a response to the fear of getting bird flu.

• have: I also have the bird flu at the moment so i sympathize and hope your ears pop.

• say: The media say that bird flu is going to sweep around the globe and kill us all: - or is it?

Preposition: at

• moment: I also have the bird flu at the moment so i sympathize and hope your ears pop.

Adjective modifier

• h5n1: What is the H5N1 bird flu that has recently been reported in Asia?

• avian: Avian bird flu is an affliction spread by the avian influenza viruses.

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

• current: The current bird flu is diagnosed by testing the blood for antibodies to the H5N1 strain.

Preposition: on

• soil: The government's chief scientific advisor has downplayed the chances of a human epidemic of bird flu on British soil.

Modifies a noun

• virus: A bird flu virus could merge with a human flu virus to create a new virus.

• pandemic: The consequence of a bird flu pandemic could be likened to a small asteroid strike in its economic effects.

• outbreak: An exercise simulating what would happen in the event of a major bird flu outbreak in Britain is taking place today.

• vaccine: Bird flu, vaccine Bird flu: Does the bird flu vaccine really work?

• epidemic: They prayed to God to protect the city's health, in particular from the threat of a bird flu epidemic.

• strain: Previous trials conducted in the US using bird flu strains in a vaccine had 100 per cent protection in various experimental models.

Preposition: in

• human: The first outbreak of the deadly strain of bird flu in humans was in Hong Kong in 1997.