The leaders of a community are concerned that people’s health might be at risk from mosquito-borne illnesses. The mayor asks Denise, the city’s health director, to prepare a presentation for a community forum. Which media source would provide the most credibility for Denise’s presentation?

a state health department video about mosquito-borne illness produced by the state’s health department
a local news segment in which a television anchor explains mosquito-borne illnesses
a commercial produced by a company that has developed a special mosquito spray
a podcast in which the mayor explains why mosquito-borne illnesses are a problem