Object

• cattle: Click here to buy Britain's Most Amazing Places BEEF from cattle infected with tuberculosis could be banned from the food chain.

• organism: Such drugs rapidly destroy the pool of infecting organisms.

• cell: The flu virus infects the cells which line your airways.

• sheep: Only 0.5 g of infective material given orally has been found in experiments to be necessary to infect a sheep with BSE.

• mosquito: By infecting mosquitoes with fungi, they can drastically reduce transmission of the disease, which kills well over a million people each year.

• micro-organism: If the infecting micro-organism is a Microsporum species, then treatment with oral griseofulvin should be started.

Preposition: with

• TB: Farm cats in the UK have previously been found to be infected with bovine TB.

• virus: In 1905 the first William was infected with the virus for which there is no known cure.

• roundworm: How does your dog get infected with roundworms and are they harmful?

• tuberculosis: Click here to buy Britain's Most Amazing Places BEEF from cattle infected with tuberculosis could be banned from the food chain.

• parasite: Or they can take Chloroquine and Paludrine but risk contracting malaria if bitten by a mosquito infected with resistant parasites.

• salmonella: Remember how Edwina Currie kicked off a big scare about eggs, by saying they were all infected with salmonella?

Subject

• ingestion: The definitive host becomes infected by accidental ingestion of ants.

• virus: Your computer may be infected by a virus or spyware.

• worm: As a result, nearly half the systems infected by the worm crashed within 12 hours.

• parasite: From the moment Michael Rooker's town bully becomes infected by the parasite, it's a messy thrill-ride of increasingly grotesque adventures.

Preposition: by

• ingestion: The definitive host becomes infected by accidental ingestion of ants.

• virus: Your computer may be infected by a virus or spyware.

• worm: As a result, nearly half the systems infected by the worm crashed within 12 hours.

• parasite: From the moment Michael Rooker's town bully becomes infected by the parasite, it's a messy thrill-ride of increasingly grotesque adventures.