Paper/nms-patches/EntityPigZombie.patch

--- a/net/minecraft/server/EntityPigZombie.java
+++ b/net/minecraft/server/EntityPigZombie.java
@@ -113,11 +113,15 @@
         } else {
             Entity entity = damagesource.getEntity();
 
-            if (entity instanceof EntityHuman && !((EntityHuman) entity).u()) {
+            // CraftBukkit start
+            boolean result = super.damageEntity(damagesource, f);
+
+            if (result && entity instanceof EntityHuman && !((EntityHuman) entity).u()) {
                 this.a(entity);
             }
 
-            return super.damageEntity(damagesource, f);
+            return result;
+            // CraftBukkit end
         }
     }