Table 3.

Topics areas and related subtopics that emerged from analysis of the round one questionnaire

Topic number	Topics areas and related subtopics
1	Risk prevention, mitigation, and biosecurity
	Knowledge of practices to reduce risk of Hendra virus transmission to horses and humans
	Implementation of practices to reduce risk of Hendra virus in horses and humans
	Property and vegetation management as it relates to premise biosecurity
	Enablers and barriers to uptake of recommended behaviours/practices
2	Personal health and safety
	Knowledge of personal risk reduction practices
	Utilization of personal risk reduction practices
	Personal hygiene practices
	Personal protective equipment (PPE) knowledge, availability and use
	Enablers and barriers to utilization of personal health and safety practices
	Measures of risk-related behaviours (close contact with horses, handling of bodily fluids, etc.)
	Concerns about risk to self from other animals (e.g. dogs, wildlife)
3	Hendra virus-related risk awareness and perception
	Vulnerability to Hendra virus (horse(s), self, other people)
	Likelihood of being impacted (horse(s), self, other people)
	Beliefs underlying perceived level of risk
	Fear and concern (horse(s), self, other people)
	Awareness of local risk
	Attitudes towards Hendra virus in the context of other diseases/disease risks
	Perceived risk of Hendra virus relative to other infectious diseases and health threats
4	Hendra virus vaccination in horses – process and implementation
	Process of roll-out, including how best to enable uptake
	Priority horse subpopulations for vaccination
	Persons responsible for administering the vaccine
	Perceived need for compulsory vaccination among horse subpopulations
	Perceived role for government in vaccination
5	Hendra virus vaccination in horses – attitudes and uptake
	Willingness to vaccinate and/or vaccinate regularly
	Anticipated uptake
	Barriers to uptake
	Attitudes toward vaccination including perceived effectiveness and concerns about adverse effects
6	Awareness and knowledge of Hendra virus
	Transmission routes
	Signs and symptoms
	Time between infection and clinical onset of disease
	Time between infection and infectiousness
	Locations and details of previous outbreaks
	Environmental conditions that impact transmission
7	Bats/Flying foxes – attitudes and awareness
	Attitudes to bats/flying foxes
	Attitudes to control of bats/flying foxes
	Awareness of local activity
	Opportunities for interaction with horses
	Protecting horses from bat/flying fox exposure
	Knowledge of the role of bats, bat ecology, and bat feeding and roosting behaviours
8	Communication, information, and education
	Verbal communication with veterinarian(s)/government agencies
	Sources of advice
	Perceived success of government communication
	Role of media
	Desired forms of communication/sources of information
9	Hendra virus surveillance and reporting
	Likelihood of early consideration of Hendra virus
	Response to a sick horse
	Severity of illness in horse(s) before a veterinarian is contacted
	When to notify authorities of a sick horse
	Awareness of reporting responsibilities
	Knowledge of reporting pathways
	Enablers and barriers to reporting of suspect cases
	Concerns about reporting
10	Emergency preparedness
	Expectations and preferences in relation to event management
	Record keeping
	Attitudes toward registration of movements and movement controls
	Recording of horse health status and vaccination history
	Attitudes around horse and horse owner identification
11	Horse health awareness
	Frequency of horse observations
	Monitoring for signs of disease
12	Hendra virus response
	Knowledge of the government response plan
	Expectations of time to diagnosis
	Knowledge of testing and quarantine procedures
	Attitudes to recovered horses
	Knowledge and attitudes toward the issue of Hendra virus recrudescence (i.e. reoccurrence of clinical disease in a previously affected animal or person)
	Knowledge of available support
	Attitudes to government response to cases
	Need for a human vaccine
13	Relationship with veterinarian(s)
	Frequency of consultations and communications
	Health services routinely provided by veterinarians
	Trust in veterinarian(s)
	Health of relationship with veterinarian(s)
14	Responsibility
	Attitudes around who is responsible for Hendra virus risk mitigation and response
	Beliefs concerning who should pay the Hendra virus-related costs
15	Sense of control/effectiveness
	Perceived effectiveness of recommended health and safety and biosecurity practices
	Sense of control over ability to reduce personal risk and risk to other people and animals
16	Information seeking
	Primary source of information
	Preferred sources of information
	Trusted sources of information
	Membership in horse associations
	Access to and use of newsletters/e-alerts/subscriptions
	Use of social media
	Use of social networks/informal word-of-mouth/knowledge sharing
	Attendance at workshops/training
17	Trust
	Trust in government agencies to communicate and respond
	Trust in the research and science informing the Hendra virus response
	Trust in others to report and take the appropriate actions
18	Horse behaviour
	Knowledge and awareness of the behaviour of their horse(s)
	Interactions with wildlife/other domestic species (possums, feral cats, livestock, companion animals)
	Interactions with other horses