Oregon Zoo Oregon Zoo News 2018

A few years ago at Oklahoma City, Malee the elephant calf died of EEHV. It was later found that it was of the same strain that Chai had, who arrived before Malee's passing. Is it possible that we could have a similar case at hand here? Correct me if I'm wrong, but wouldn't Samson have likely been exposed to EEHV when Rio Grande lost its calf Daizy to it a few years ago?

OH MY GOSH!!! I came to the exact same conclusion! Without a doubt, Samson had a role in Lily's death. Prior to Lily's passing, not a single elephant at the Oregon Zoo has died from EEHV. In addition, Samson came from a facility where EEHV was present and one death has been caused by EEHV at the Albuquerque Zoo. Furthermore, the only change in the Oregon Zoo's elephant program within the past few years was the acquisition of Samson. I wholeheartedly believe that Samson transmitted the virus to Lily which ultimately resulted in her death.

Is it just fatal to calves?

Truthfully, EEHV can be fatal at any age. However, EEHV has primarily effected young elephant calves. The oldest elephant to die from EEHV was 42 year old Kathy Sh-Boom at the Niabi Zoo. While the youngest elephant to die from EEHV that was beyond the suggested vulnerable age range was 13 year old Kimba at the Houston Zoo. Ultimately, EEHV is unpredictable and all elephants are potentially susceptible.
 
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From my limited research, it doesn’t seem to be clear how EEHV transmits between elephants and it isn’t always sexually transmitted like herpes is in humans. It does seem to travel from mothers to calves though. At this time, it is thought that nearly all Asian elephants, wild and captive, carry the virus so until we get info as to what strain it is, we shouldn’t speculate as to how Lily got the virus. It could have come from a wild strain that Chandra brought in for all we know.

Although almost all Asian carry it is generally asymptomatic. Why the virus becomes fatal is unknown but it is almost 100% fatal within 24 hours in calves if it becomes active without antivitral treatment. Even then, elephants only has about a 33% survival rate. Same thing would have happened if she was in a sanctuary like the AR groups want and she wouldn’t have any chance if she was in the wild.
 
From my limited research, it doesn’t seem to be clear how EEHV transmits between elephants and it isn’t always sexually transmitted like herpes is in humans. It does seem to travel from mothers to calves though. At this time, it is thought that nearly all Asian elephants, wild and captive, carry the virus so until we get info as to what strain it is, we shouldn’t speculate as to how Lily got the virus. It could have come from a wild strain that Chandra brought in for all we know.

Although almost all Asian carry it is generally asymptomatic. Why the virus becomes fatal is unknown but it is almost 100% fatal within 24 hours in calves if it becomes active without antivitral treatment. Even then, elephants only has about a 33% survival rate. Same thing would have happened if she was in a sanctuary like the AR groups want and she wouldn’t have any chance if she was in the wild.

I'd argue that she'd have had less of a chance in most sanctuaries than she would have in a zoo.

~Thylo
 
I'd argue that she'd have had less of a chance in most sanctuaries than she would have in a zoo.

~Thylo
Agreed. If she died at Oregon Zoo with immediate treatment of the only thing we know to have any shot, she’d die anywhere.
 
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