He mīhini motuhake te mīhini horoi pūtau TD-4B i hangaia mō ngā whakamātautau horoi pūtau toto whero me te horoi pūtau lymphocyte. He whānuitia te whakamahinga i roto i te rongoā haumanu, te matū koiora, te ārai mate me ētahi atu mara, he taputapu nui mō ngā pēke toto hōhipera, ngā taiwhanga, ngā teihana toto, ngā kura hauora me ngā whare rangahau hauora.