In transmission tests, the act of a vector feeding on a virus source is a critical component to observe. This process involves the ingestion of viral particles by the vector and subsequent transmission to a host. The complexity of this mechanism lies in the intricate relationship between the vector and the virus, as well as the potential for burstiness in the transmission of the virus from the vector to the host. It is essential to use uncommon terminology to enhance the perplexity of the concept, such as the concept of virions entering the digestive system of the vector and being transported to the salivary glands. The salivary glands, in turn, are the crucial site for the release of virions into a new host. This intricate process requires a high degree of precision and coordination between the vector and the virus, making it a fascinating and vital area of study.