{"topic_id":"exotic_vaccine_rabbit","category":"exotic-pet-health","context":"---\ntopic_id: \"exotic_vaccine_rabbit\"\ncategory: \"exotic-pet-health\"\ntitle: \"Rabbit vaccines: RHDV2 and myxomatosis, with country-availability differences (Merck Veterinary Manual; PetMD)\"\nlang: en\nsource: \"Merck Veterinary Manual (viral diseases of rabbits) + PetMD rabbit vaccines — non-Open-Access vet references; paraphrased derived summaries per COPYRIGHT_POLICY §3.\"\nsource_file: [\"pdf-raw/exotic-c-2026/merck_rabbit_viral.txt\", \"pdf-raw/exotic-c-2026/petmd_rabbit_vacc.txt\"]\ndate_parsed: 2026-08-05\nrecovered: false\nauthority_tier: T2\nauthority_tier_basis: \"T2:professional-reference\"\nauthority_tier_date: 2026-08-05\nmethod: paraphrase\nlicense: paraphrase\ncitation:\n  authority: \"Merck Veterinary Manual; PetMD\"\n  title: \"Rabbit vaccines: RHDV2 and myxomatosis, with country-availability differences (Merck Veterinary Manual; PetMD)\"\n  url: \"https://www.merckvetmanual.com/exotic-and-laboratory-animals/rabbits/viral-diseases-of-rabbits\"\n  retrieved: 2026-08-05\n  needs_review: false\npath: exotic-pet-health/exotic_vaccine_rabbit/01_exotic_vaccine_rabbit.md\n---\n\n# Rabbit vaccines: RHDV2 and myxomatosis, with country-availability differences (Merck Veterinary Manual; PetMD)\n\nSource: first-hand veterinary references (Merck Veterinary Manual; PetMD). These references are non-Open-Access, so the points below are **paraphrased derived summaries** (numbers and proper nouns preserved, sentences rewritten) per COPYRIGHT_POLICY §3; each point is independently checkable against the cited source.\n\n## Claims (derived summary — method: paraphrase)\n\n- RHDV2 (rabbit hemorrhagic disease virus, a calicivirus) is a fatal disease of rabbits and was first detected in the United States in 2018; as of 2022 it had been documented in 23 states.\n- In the USA there are no FDA-approved vaccines for RHDV2, but the USDA granted emergency use of the RHDV2 vaccine for pet rabbits in 2021, and the European vaccines can be used.\n- Vaccines protective against RHDV1 and RHDV2 are available in several countries, and pet rabbits are typically vaccinated at 10 weeks of age with annual boosters recommended.\n- Myxomatosis is a fatal disease of domestic rabbits caused by myxoma virus; an attenuated myxomatosis vaccine exists but is not available in the USA, where myxomatosis is largely restricted to coastal California and Oregon.\n- In the United States a myxomatosis vaccine is unavailable and has not been approved by the USDA, whereas the myxomatosis vaccine is available in Europe and the UK.\n","sources":["exotic-pet-health — Rabbit vaccines: RHDV2 and myxomatosis, with country-availability differences (Merck Veterinary Manual; PetMD) (retrieved 2026-08-05)"],"source":{"authority":"exotic-pet-health","title":"Rabbit vaccines: RHDV2 and myxomatosis, with country-availability differences (Merck Veterinary Manual; PetMD)","url":"https://www.merckvetmanual.com/exotic-and-laboratory-animals/rabbits/viral-diseases-of-rabbits","retrieved":"2026-08-05","ref":"","doc_type":"official PDF","source_document":"","verification_file":"[\"pdf-raw/exotic-c-2026/merck_rabbit_viral.txt\", \"pdf-raw/exotic-c-2026/petmd_rabbit_vacc.txt\"]"},"source_document":"","source_file":"[\"pdf-raw/exotic-c-2026/merck_rabbit_viral.txt\", \"pdf-raw/exotic-c-2026/petmd_rabbit_vacc.txt\"]","trust":{"authority_tier":"T2","fidelity":"paraphrase","license":"paraphrase","display_grade":"B"},"tokens_estimated":110,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}