The earliest symptoms include nasal
stuffiness, a “runny” nose, sneezing, red irritated
eyes, and hives. Symptoms that are particularly
troubling are those that suggest the worker is
developing asthma. These include coughing,
wheezing, and shortness of breath. Asthma
resulting from allergic reactions to laboratory
animals can result in severe and occasionally
disabling breathing problems. Very rarely an
employee with allergic symptoms will develop a
potentially life-threatening reaction following an
animal bite