Allergies are the result of a hypersensitive immune system. The allergic immune system misidentifies an otherwise innocuous substance as harmful, and then attacks the substance with a ferocity far greater than required.
Laying off an employee is different from firing an employee. Firing means letting a worker go for any reason, whereas a layoff refers to an employment termination based on economics, usually involving more than one worker.
Keeping Experienced Workers. Laying off workers on the basis of seniority allows you to keep your most experienced workers. This should help your company maintain productivity levels and mitigate any dip in work performance associated with moving to a smaller workforce.