On December 15, 2009, the Court of Appeals published an opinion in Genna v. Jackson, No. 285746. The Court affirmed the circuit court’s denial of the defendant’s post-trial motion for JNOV or a new trial, in a case where the plaintiffs sued for mold damage to their condominium. A jury awarded the plaintiffs, a couple and their two young children, more than $300,000 for mold damage to their condo unit caused by a neglected burst water heater in the defendant’s unit next door. The opinion can be found here.
 In December 2004, the defendant left her condo for five months in the winter to go to Florida, and returned in May 2005. While she was gone, her water heater burst and caused extreme flooding and mold growth in her unit. In February, the young children of the family next door, also plaintiffs in the case, began exhibiting flu-like symptoms which continued to worsen over the next few months and required frequent doctor and hospital visits. A week before the defendant returned, the mother and children moved out of their unit to a relative’s, and the children’s health began to improve. The defendant’s unit was so contaminated it had to be demolished, and it had spread to the plaintiffs’ unit. The plaintiffs’ mold expert testified that two types of mold found in their unit in unusually high concentration caused human illness, and that their unit was no longer a healthy environment.Â
 The Court of Appeals rejected the defendant’s argument that the plaintiffs were required to prove causation with expert testimony. While a jury cannot be allowed to “speculate†on whether causation exists, a jury is not speculating if evidence permitting a reasonable inference of causation exists. Here, there was sufficient evidence to permit an inference of causation: the timing of the onset and recovery of the illnesses, plus expert testimony regarding the type of mold found and its propensity to cause the kinds of conditions suffered. The Court held that the plaintiffs were only required to bring forth expert testimony on causation itself if the defendant had provided evidence demonstrating that the mold and accompanying injuries could not have been caused by her negligence. The defendant asked the jury to infer that a virus, not the mold, caused the illnesses, but that was insufficient to require the plaintiffs to proffer expert testimony to refute a lack of causation.
 The Court of Appeals also denied the defendant’s claim of error in permitting the father to testify about the economic value of the home’s contents which were lost due to mold damage. A mold expert testified that all porous items were toxic and had to be destroyed. The Court agreed that the father could testify about what items they discarded because of the mold and the value of those items. The jury could also apply their common experience about typical items found in a home and their value in assessing the plaintiffs’ damage claim.