The Briefing

A just published modelling study by the BODE3 Team has reported that “home safety assessment and modification” (e.g., adding hand rails and removing tripping hazards in homes) appears to be a very cost-effective health sector intervention. But even more cost-effective was targeting this intervention to older people with previous injurious falls.

Building insulation provides comfort and health benefits to occupants, saves energy, enhances energy security, and can reduce greenhouse gas emissions. This blog looks at these issues and wonders why the NZ Government is not doing more to enhance building performance and insulation standards when it is such a good investment.

To help explain the concept of ‘herd immunity’, The Guardian Newspaper has produced a clever online simulator of measles spread. We comment on why this simulator is informative and how it also demonstrates chance effects in the spread of infectious diseases.