A simple and rapid method of quantifying the amount of virus in a sample. Haemagglutination is the agglutination of red blood cells. Viruses with envelops or surface proteins
Introduction The immune system has become adapted to ensure that ‘self’ cells are not subject to an immune attack. The body is able to do this because tolerance
Introduction A parasite is an organism which lives on or in another organism called the host. The parasite needs the host to live, but the host gains no
