Pet Vaccination Schedule Calculator
ANA›Life Services Authority›National Calculator Authority›Pet Vaccination Schedule Calculator
.calc-container { max-width: 640px; margin: 2rem 0; padding: 1.5rem; background: #fff; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); font-family: system-ui, -apple-system, sans-serif; } .calc-container h3 { font-family: Georgia, serif; font-size: 1.15rem; color: #1a1a1a; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; } .calc-row label { min-width: 160px; font-size: 0.9rem; color: #333; font-weight: 500; } .calc-row input[type="number"], .calc-row select { flex: 1; min-width: 120px; max-width: 200px; padding: 0.5rem 0.6rem; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9rem; font-family: system-ui, sans-serif; color: #1a1a1a; background: #fafaf8; } .calc-row input:focus, .calc-row select:focus { outline: none; border-color: var(--ac, #3d5a80); box-shadow: 0 0 0 2px rgba(26,74,138,0.12); } .calc-row .unit { font-size: 0.82rem; color: #888; min-width: 30px; } .calc-btn { display: inline-block; margin-top: 0.5rem; padding: 0.55rem 1.5rem; background: var(--ac, #3d5a80); color: #fff; border: none; border-radius: 4px; font-size: 0.9rem; font-weight: 600; cursor: pointer; font-family: system-ui, sans-serif; } .calc-btn:hover { opacity: 0.9; } .calc-result { margin-top: 1.25rem; padding: 1rem 1.25rem; background: #f0f6fc; border-left: 3px solid var(--ac, #3d5a80); border-radius: 0 6px 6px 0; display: none; } .calc-result.visible { display: block; } .calc-result-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: #666; margin-bottom: 0.25rem; } .calc-result-value { font-size: 1.6rem; font-weight: 700; color: var(--ac, #3d5a80); } .calc-result-detail { font-size: 0.85rem; color: #555; margin-top: 0.5rem; line-height: 1.5; } .calc-note { margin-top: 1rem; font-size: 0.8rem; color: #888; font-style: italic; } .calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem; } .calc-grid-item { padding: 0.6rem 0.8rem; background: #f8f9fa; border-radius: 4px; border: 1px solid #eee; } .calc-grid-item .label { font-size: 0.75rem; color: #888; text-transform: uppercase; letter-spacing: 0.04em; } .calc-grid-item .value { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; } @media (max-width: 720px) { .calc-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; } .calc-row label { min-width: auto; } .calc-row input[type="number"], .calc-row select { max-width: 100%; width: 100%; } .calc-grid { grid-template-columns: 1fr; } } .calc-chart { margin: 1rem 0; text-align: center; } .calc-chart svg { max-width: 100%; height: auto; } .calc-chart-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.2rem; margin-top: 0.6rem; font-size: 0.8rem; color: #555; } .calc-chart-legend span { display: inline-flex; align-items: center; gap: 0.3rem; } .calc-chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; font-style: normal; } .calc-related { max-width: 640px; margin: 2rem 0 1rem; padding: 1.25rem 1.5rem; background: #f8f9fa; border: 1px solid #e8e8e8; border-radius: 8px; } .calc-related h3 { font-family: Georgia, serif; font-size: 1rem; color: #1a1a1a; margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-related-list { list-style: none; padding: 0; margin: 0 0 0.75rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 1.5rem; } .calc-related-list li a { font-size: 0.88rem; color: var(--ac, #3d5a80); text-decoration: none; } .calc-related-list li a:hover { text-decoration: underline; } .calc-browse-all { margin: 0.5rem 0 0; font-size: 0.9rem; font-weight: 600; } .calc-browse-all a { color: var(--ac, #3d5a80); text-decoration: none; } .calc-browse-all a:hover { text-decoration: underline; } @media (max-width: 720px) { .calc-related-list { grid-template-columns: 1fr; } }
Pet Vaccination Schedule Calculator
Generate a recommended vaccination schedule for your dog or cat based on their age, weight, and vaccination history.
Pet Species
Dog Cat
Age Unit
Weeks Months Years
Current Age (weeks)
Weight (lbs)
Lifestyle / Risk Level
Indoor Only Indoor/Outdoor Mixed Outdoor / High Exposure
Weeks Since Last Vaccination (0 if never vaccinated)
Rabies Vaccine Already Given?
No Yes
Generate Schedule Your vaccination schedule will appear here.
function petUpdateAgeLabel() { var unit = document.getElementById('pet-age-unit').value; document.getElementById('pet-age-label').textContent = 'Current Age (' + unit + ')'; }
function petUpdateVaccines() { // Could dynamically adjust UI per species if needed }
function petAgeToWeeks(age, unit) { if (unit === 'weeks') return age; if (unit === 'months') return age * 4.345; if (unit === 'years') return age * 52.18; return age; }
function petWeeksToReadable(weeks) { if (weeks Please enter a valid age (0 or greater).'; return; } if (isNaN(weight) || weight Please enter a valid weight greater than 0 lbs.'; return; } if (isNaN(lastVax) || lastVax Please enter a valid number of weeks since last vaccination (0 or more).'; return; }
var ageWeeks = petAgeToWeeks(ageRaw, ageUnit);
// --- Core Vaccination Logic --- // Based on AAHA (dogs) and AAFP (cats) guidelines // Core vaccines for dogs: DA2PP (Distemper, Adenovirus, Parvovirus, Parainfluenza), Rabies // Core vaccines for cats: FVRCP (Feline Viral Rhinotracheitis, Calicivirus, Panleukopenia), Rabies // Non-core depend on lifestyle
var schedule = []; var warnings = []; var notes = [];
// ---- DOG SCHEDULE ---- if (species === 'dog') { // DA2PP series: 6-8w, 10-12w, 14-16w, then 1yr booster, then every 3 yrs var da2ppDoses = [ { label: 'DA2PP Dose 1', targetWeek: 8 }, { label: 'DA2PP Dose 2', targetWeek: 12 }, { label: 'DA2PP Dose 3', targetWeek: 16 }, ];
if (ageWeeks dose.targetWeek && lastVax === 0) { // Overdue — catch-up needed schedule.push({ vaccine: dose.label + ' (Core — Catch-up)', due: 'Overdue — schedule immediately', weeksFromNow: 0, priority: 'Core' }); } });
// After puppy series: 1-year booster if (ageWeeks > 16) { var weeksTo1yr = Math.max(0, 52 - ageWeeks); if (lastVax > 0 && lastVax = 12 ? 'Due now / Schedule soon' : 'In ~' + petWeeksToReadable(Math.max(0, 12 - ageWeeks)), weeksFromNow: Math.max(0, 12 - ageWeeks), priority: 'Non-core' }); notes.push('Leptospirosis vaccine is a 2-dose series (3–4 weeks apart) for dogs with outdoor/wildlife exposure. Annual booster recommended.'); }
// Non-core: Lyme disease if (lifestyle === 'outdoor') { schedule.push({ vaccine: 'Lyme Disease (Non-core — High Risk)', due: ageWeeks >= 12 ? 'Due now / Schedule soon' : 'In ~' + petWeeksToReadable(Math.max(0, 12 - ageWeeks)), weeksFromNow: Math.max(0, 12 - ageWeeks), priority: 'Non-core' }); notes.push('Lyme disease vaccine is recommended in tick-endemic areas. 2-dose initial series, then annual booster.'); }
// Canine Influenza (H3N2/H3N8) for high-exposure dogs if (lifestyle === 'mixed' || lifestyle === 'outdoor') { schedule.push({ vaccine: 'Canine Influenza H3N2/H3N8 (Non-core)', due: ageWeeks >= 8 ? 'Discuss with vet' : 'In ~' + petWeeksToReadable(Math.max(0, 8 - ageWeeks)), weeksFromNow: Math.max(0, 8 - ageWeeks), priority: 'Non-core' }); notes.push('Canine influenza is recommended for dogs in high-contact environments. 2-dose initial series, annual booster.'); }
// ---- CAT SCHEDULE ---- } else if (species === 'cat') { // FVRCP series: 8w, 12w, 16w, then 1yr booster, then every 3 yrs var fvrcpDoses = [ { label: 'FVRCP Dose 1', targetWeek: 8 }, { label: 'FVRCP Dose 2', targetWeek: 12 }, { label: 'FVRCP Dose 3', targetWeek: 16 }, ];
if (ageWeeks dose.targetWeek && lastVax === 0) { schedule.push({ vaccine: dose.label + ' (Core — Catch-up)', due: 'Overdue — schedule immediately', weeksFromNow: 0, priority: 'Core' }); } });
// After kitten series: 1-year booster if (ageWeeks > 16) { if (lastVax > 0 && lastVax = 8 ? 'Discuss with vet' : 'In ~' + petWeeksToReadable(Math.max(0, 8 - ageWeeks)), weeksFromNow: Math.max(0, 8 - ageWeeks), priority: 'Non-core' }); notes.push('FIV vaccine availability varies by region. Discuss with your vet if your cat fights with other cats or has outdoor exposure.'); }
// Chlamydophila felis — non-core, multi-cat households if (lifestyle === 'mixed' || lifestyle === 'outdoor') { notes.push('Chlamydophila felis vaccine may be recommended for cats in multi-cat environments with respiratory disease history. Consult your vet.'); } }
// --- Sort schedule by weeks from now --- schedule.sort(function(a, b) { return a.weeksFromNow - b.weeksFromNow; });
// --- Weight-based note --- var weightNote = ''; if (species === 'dog') { if (weight 100) weightNote = 'Large/giant breed detected (' + weight + ' lbs). Discuss extended puppy series timing with your vet.'; } else { if (weight 0) { html += ''; html += '⚠️ Warnings:'; warnings.forEach(function(w) { html += ''; }); html += ''; }
if (weightNote) { html += ''; html += '📋 ' + weightNote; html += ''; }
html += '### 📅 Recommended Vaccination Schedule '; html += ''; html += ''; html += 'Vaccine'; html += 'Priority'; html += 'When Due'; html += '';
schedule.forEach(function(item, i) { var bg = i % 2 === 0 ? '#f9f9f9' : '#fff'; var priorityColor = item.priority === 'Core' ? '#28a745' : '#fd7e14'; html += ''; html += '' + item.vaccine + ''; html += '' + item.priority + ''; html += '' + item.due + ''; html += ''; });
html += '';
if (notes.length > 0) { html += ''; html += '📝 Additional Notes:'; notes.forEach(function(n) { html += '' + n + ''; }); html += ''; }
html += '⚕️ This schedule is based on AAHA (dogs) and AAFP (cats) guidelines. Always consult your veterinarian for a personalized plan.
';
res.innerHTML = html; }
#### Formulas & Logic
Age Conversion:
Vaccine Timing (Dogs — AAHA Guidelines):
Vaccine Timing (Cats — AAFP Guidelines):
Next Due Date: Next Due (weeks) = Booster Interval − Weeks Since Last Vaccination
Overdue Threshold: If Next Due ≤ 0, vaccine is overdue and should be scheduled immediately.
#### Assumptions & References
- Dog core vaccine schedule follows AAHA Canine Vaccination Guidelines (2022).
- Cat core vaccine schedule follows AAFP Feline Vaccination Guidelines (2020).
- References: AAHA 2022 Canine Vaccination Guidelines; AAFP 2020 Feline Vaccination Guidelines; AVMA Vaccination FAQs.
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