Table 4.

Representative comparative scheme between different HV-infection frequencies related to the number of tissue samples and animals analysed. 13 *: this is the number of additional HV-positive animals not included in the present analysis of herpesviral encephalitis in cetaceans.

Average Samples per Analysed Animals	Positive Animals	Positive Tissues	HV-Positive Animals (%)	HV-Positive Tissue Samples (%)	References
178/79; 2.25	4	9	5.06%	5%	Miyoshi et al., 2011 [12]
446/103; 4.33	12 + 13 * = 25	40	24.3%	8.9%	Our study
294/55; 5.34	8	15	14.5%	5.1%	Felipe-Jiménez et al., 2021 [32]
182/14; 13	11	34	78.6%	18.68%	Vargas Castro et al., 2020 [29]
966/47; 20.25	38	121	80.85%	12.5%	Vargas-Castro et al., 2021 [30]