https://www.healthywa.wa.gov.au/Articles/A_E/Colour-blindness
Children who are colour blind can see as clearly as other people, but can’t tell the difference between some colours or see colours differently from other people. It’s good to know if a child is colour blind because he may have difficulty at school with activities that use colours, such as drawing and sorting blocks, and with computers.
https://www.healthywa.wa.gov.au/Articles/A_E/About-immunisation
Immunisation is the term used for the process of becoming immune to disease. It protects people against specific diseases by using the body’s natural defence mechanism – the immune response. A vaccine is the material used to induce immunity against infectious diseases. Vaccination refers to the act of giving a vaccine to a person.
https://www.healthywa.wa.gov.au/Articles/A_E/Essential-oils
Essential oils are any plant-based, volatile oil that contains a mixture of chemical compounds and have an aroma characteristic of the plant. Commonly used essential oils are eucalyptus oil, clove oil, tea tree oil and aromatherapy oils.