Although COVID-19 primarily affects the respiratory system, cardiovascular involvement is common, especially in individuals who are severely ill.

This third article in a series on communicable disease outbreaks focuses on contact tracing, fondly known as ‘shoe-leather epidemiology’.

This second article in a series on communicable disease outbreaks focuses on case definitions, testing and early phases of a public health response.

The sixth article in a series on communicable disease outbreaks looks beyond the acute epidemic to the rationale for surveillance systems, mandatory notification and social determinants.

This fourth article in a series on communicable disease outbreaks introduces the larger legislative, executive and social framework within which health protection takes place.