Ururabo’s Baby Now Very Sick

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Ururabo’s three-month-old infant on Day 15 of the respiratory outbreak in Susa, before he became critically ill.

Ururabo’s baby became critically ill six days after we thought he’d recovered from a runny nose and soft cough. We’d been checking him daily, along with all of the mothers and infants. Magda had seen him the day before and he’d looked normal compared to the infants of both Ruvumu and Rwandarushya, who were now coughing along with their mothers. Dufatayne had recovered, and her baby had yet to show any symptoms. When I arrived to check on the group, the mothers and infants were again the priority.

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Byishimo, one of the four-year old twins in Susa Group, is sick with respiratory disease.

We hadn’t yet opened our medical bags for the Susa outbreak, but we’d come close twice. Though Poppy had improved, one of her four-year twins, Byishimo, had become progressively sicker. He’d been struggling with a cough and lethargy for over a week and then stopped eating. When he began lagging behind the group, our level of concern shot up. Once again, Magda, Elisabeth, and I visited as a team and brought the kit (Jean Felix felt better but still had a cough.) Fortunately, Byishimo bounced back the next day. His wet-sounding cough persisted, but his attitude and appetite had improved.

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Rwandarushya’s six-month-old infant acting very quiet and coughing lightly on Day 20 of the respiratory outbreak.

My initial impression of the group on this morning, Day 20, was that many gorillas had improved. Maybe we’d turned the corner on the outbreak. Then I cautioned myself, remembering the number of infants in the group and the time it takes for this disease to cycle through everyone. Sure enough, Rwandarushya appeared with her baby, she coughed. The infant’s eyes looked bright enough but he seemed very quiet. Ruvumu had regained her appetite and looked much improved, but her infant had a thick nasal discharge and frequent cough. He’s a bigger, older baby, however.

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Ururabo and her three-month-old infant both very sick with respiratory disease on Day 21.

Then we found Ururabo, coughing with nearly every breath, sitting head down and not eating. The baby lay limply in her arms, eyes closed, mouth open, wheezing. They were clearly the sickest of the 39 gorillas today. This little one had come down with the disease six days earlier–plenty of time to develop pneumonia, sometimes called the silent killer.

Elisabeth, the trackers, and I felt we should anesthetize Ururabo, treat her and the infant as quickly as possible, collect samples, and hope for the best. We called park officials, Magda, and Jean Felix. All agreed we should intervene. Although this meant we might not be able to help other sick infants the following day, we’d be treating today’s sickest animals and could collect the samples needed to diagnose the disease. We’d have to wait to export the samples for virology, of course, but we could do the bacterial cultures at our lab.

While waiting for the team and the kit (if only we’d all come today!), I speculated about why this mother/infant pair might be sicker than the others. We only partially understand why some individuals develop secondary bacterial infections after viral ones. The body’s immune system plays a role. If a gorilla’s immune system is fighting another infection, or has been suppressed by severe stress, even a mild infection can take a turn for the worse.

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Adult female mountain gorilla Ururabo has lesions on her upper lip, seen also in other individuals, thought to be herpes-like.

Ururabo did have evidence of another infection—scabby crusty lesions along her upper lip, a problem seen in other mountain gorillas, including half a dozen in the Susa Group during this outbreak. While these lesions have long been assumed to be due to a herpes-virus infection, possibly the same one that afflicts humans, the assumption has yet to be proved. If there was anything good about this intervention, it was that we’d have a chance to biopsy the lesion..

Our vet team had talked through this intervention several times already. I’d do the anesthesia and exam on the mother and monitor the infant. Elisabeth would help, making sure we kept the mother’s neck at the right angle and kept her from crushing the infant. It wasn’t breathing well anyway, and we’d need to minimize any additional stress that could cause its lung function to deteriorate. It could even die. We’d decided not to try to administer oxygen. It would help only temporarily, and besides, the baby would probably fight a mask.

Magda would give each gorilla an injection of antibiotic (Ceftriaxone), take nose and mouth swabs for virus and bacteria culture, biopsy Ururabo’s lip lesion, and give the baby subcutaneous fluids if needed. Jean Felix would take blood samples from the mother and work with Magda to keep all other samples organized. Obviously we’d need to work quickly to get the mother down and up, give the antibiotic to both, and take the samples.

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5 Comments

  1. Christine C.
    Posted June 9, 2008 at 8:50 am | Permalink

    Oh jeez dr. Lucy…I cannot take the suspense…I just want to cry thinking about these poor, sick gorillas…I hope all went well with getting to Uruabo and hersweet baby. I also hope that you are able to get the samples you need to help more specifically diagnose this illness and the secondary infections.

  2. Wanda, Atlanta
    Posted June 9, 2008 at 11:37 am | Permalink

    Oh my gosh I am waiting to hear – and praying — viral infections spread to fast and furious!

  3. Lisa, California
    Posted June 9, 2008 at 3:57 pm | Permalink

    My goodness. Such a scary, scary situation. I’ll be praying and keeping my fingers tightly crossed for a postivie outcome. I sure hope Ururabo and her baby make a full and complete recovery from whatever this outbreak is. Very scary. Thank you Dr. Lucy and team for doing such outstanding work. You all leave no stone unturned, while doing such great, great work. Thank you. Lisa

  4. Lucia Cristiana, Brasil
    Posted June 9, 2008 at 10:20 pm | Permalink

    Dr. Lucy, will you intervene? when? You have all my respect. Dian Fossey had problem on intervention in 60′ or 70′ decades.

  5. Posted June 10, 2008 at 4:05 am | Permalink

    Please let us know soon what happened during the intervention. This is terrible news. Thanks for the detailed updates, Dr. Lucy.

    s.

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