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Volume 24, Number 7—July 2018
Dispatch

Guiana Dolphin Unusual Mortality Event and Link to Cetacean Morbillivirus, Brazil

Kátia R. GrochComments to Author , Elitieri B. Santos-Neto, Josué Díaz-Delgado, Joana M.P. Ikeda, Rafael R. Carvalho, Raissa B. Oliveira, Emi B. Guari, Tatiana L. Bisi, Alexandre F. Azevedo, José Lailson-Brito, and José L. Catão-Dias
Author affiliations: Universidade de São Paulo, São Paulo, Brazil (K.R. Groch, J. Díaz-Delgado, J.L. Catão-Dias); Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil (E.B. Santos-Neto, J.M.P. Ikeda, R.R. Carvalho, R.B. Oliveira, E.B. Guari, T.L. Bisi, A.F. Azevedo, J. Lailson-Brito)

Main Article

Table 1

Individual epidemiologic stranding data and biologic data of 20 Guiana dolphins stranded or retrieved from Ilha Grande Bay, Rio de Janeiro, Brazil, November 2017*

No. Date found Location coordinates Sex Body length, cm Age class Body condition Decomp status Main gross findings CeMV RT-PCR, tissue/result
1
9
−23.16738, −44.13948
F
177
Adult
Poor
Fr
Lactation; verminous pneumonia; pulmonary edema; mediastinal empyema; gastrointestinal petechiae, gastrointestinal parasitosis; absence of ingesta
Lung/pos,† brain/pos, spleen/pos
2
14
−23.01327, −44.44241
M
94
Calf
Moderate
Fr
Cyanotic mucous membranes; pulmonary edema; hepatic lipidosis; gastrointestinal petechiae
Lung/pos,† 
liver/pos
3
14
−23.15123, −44.32286
F
124
Juvenile
Poor
MA
Pulmonary edema; gastric ulcers; absence of ingesta
Lung/pos,† liver/pos
4
23
−23.0319, −44.54259
ND
71.5
Calf
ND
AA
ND (AA)
Lung/pos†
5
23
−23.03725, −44.55784
ND
189
Adult
ND
AA
Verminous pneumonia
Lung/pos,† liver/pos
6
23
−23.08996, −44.35695
M
160
Juvenile
Poor
MA
Verminous pneumonia; pulmonary edema; absence of ingesta
Lung/pos,† brain/pos, spleen/pos
7
24
−23.00963, −44.35695
ND
170
ND
ND
AA
ND (AA)
Kidney/pos†
8
24
−22.07896, −44.23156
ND
132
Juvenile
ND
AA
Black stained ingesta (plastic)
Liver/neg, spleen/neg
9
26
−23.03688, −44.55140
M
167
Juvenile
ND
AA
ND (AA)
Kidney/neg
10
25
−23.04786, −44.57191
M
123
Juvenile
Good
MA
Proliferative pleuritis and peritonitis; gastrointestinal parasitosis; absence of ingesta
Lung/pos,†
brain/pos, spleen/pos
11
25
−23.03637, −44.55041
F
123
Juvenile
ND
AA
ND (AA)
Lung/pos,†
brain/pos, spleen/pos
12
27
−23.01980, −44.44088
F
124
Juvenile
ND
MA
ND (AA); absence of ingesta
Lung/pos,†
brain/pos, spleen/pos
13
27
−23.04542, −44.59536
F
142
Juvenile
ND
AA
Verminous pneumonia; gastrointestinal parasitosis; absence of ingesta
Lung/pos, brain/pos†
14
28
−23.16538, −44.63874
M
118
Juvenile
ND
AA
ND (AA); absence of ingesta
Lung/pos,
brain/pos, spleen/pos†
15
28
−23.1325, −44.62048
F
182
Adult
ND
AA
Hydrothorax and ascites; verminous pneumonia; absence of ingesta
Lung/pos,†
brain/pos, spleen/pos
16
28
−23.12665, −44.622
M
89
Calf
ND
AA
Autolysis; absence of ingesta
Lung/neg, spleen/ neg
17
29
−23.11585, −44.66409
F
170
Adult
ND
MA
Pulmonary edema; absence of ingesta
Lung/pos,† 
spleen/pos
18
29
−23.12927, −44.66989
M
156
Juvenile
Moderate
Fr
Fishing gear lesions; hydrothorax and ascites; verminous pneumonia; pulmonary edema; hemopericardium; gastroenteritis; gastrointestinal parasitosis; urinary bladder petechiae; pterygoid and tympanic bullae trematodiasis
Lung/neg, spleen/neg
19
29
−23.12726, −44.67302
F
144
Juvenile
Good
Fr
Fishing gear lesions; hydrothorax and ascites; verminous pneumonia; pulmonary edema; gastric ulcer; gastrointestinal petechiae
Lung/neg, spleen/neg
20 30 −23.07919, −44.55559 M 125 Juvenile ND AA ND (AA); absence of ingesta Lung/pos,† brain/pos

*Collection period was November 9–December 29, 2017. AA, advanced autolysis; decomp, decomposition; Fr, fresh; MA, moderate autolysis; ND, not determined; neg, negative; no., animal no.; pos, positive; RT-PCR, reverse transcription PCR.
†Amplified fragment sequenced.

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Page created: June 18, 2018
Page updated: June 18, 2018
Page reviewed: June 18, 2018
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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