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A list of terms related to Bird flu.
A person or animal is said to be immune to a virus, bacterium or any other agent that can trigger disease when infection by that agent does not result in the animal or person falling ill.
The body's system of defence against disease that involves recognising and attacking 'foreign' invaders such as bacteria and viruses.
The state of not being susceptible to disease; being able to resist disease. An effective vaccine gives a person or animal immunity to a disease.
A common and highly contagious viral disease characterised by headaches, fever, inflammation of the respiratory tract, muscular aches and pains, weakness, and coughing. It often causes epidemics.
A common and highly contagious viral disease characterised by headaches, fever, inflammation of the respiratory tract, muscular aches and pains, weakness, and coughing. It often causes epidemics.
One of three types of viruses responsible for flu. Influenza A viruses primarily infect animals other than humans. The other two types are influenza B and influenza C.