Reactions to equine 'flu vaccination.
D000818:Animals; D006736:Horses; D009980:Influenza A virus / Q000276:immunology*; D007252:Influenza Vaccines / Q000009:adverse effects*; D011795:Surveys and Questionnaires; D014611:Vaccination / Q000009:adverse effects / Q000662:veterinary*
D007252:Influenza Vaccines