Approximately 10% of patients report an allergy to penicillin. However, the majority of patients (greater than 90%) may not truly be allergic. Most people lose their penicillin allergy over time, even patients with a history of severe reaction such as anaphylaxis.
Additional lighting equipment is often necessary to compensate the low levels. Earlier it was common with light levels in the range 100 - 300 lux for normal activities. Today the light level is more common in the range 500 - 1000 lux-depending on activity.
âA minimum of 14 hours of light per day is necessary to maintain egg production. Timers can be used so that the [artificial] lights donât have to be on all day; they can come on before sunrise and/or stay on after sunset in order to maintain the required number of hours of light per day.â.