Germany's Federal Environment Agency (UBA), the German environmental agency, last week issued a recommendation to the parents who had babies with a history of allergy to swim in the pool is not enclosed (indoor) because it can trigger asthma.

Office stated that environment from the potential for nitrogen trikrolida asthma, known as trikloramin, which will be released when water containing chlorine reacts with urine, sweat or other organic compounds derived from the swimmers.

"It is not possible if the damage to lung tissue at an early age can lead to asthma. Trikloramin Moreover, data on the effect of this is lacking," they wrote in a statement.

They also suggested that parents with babies aged less than two years and have a family history of severe allergies to not bring her baby to swim. It is considered as a precaution until proven safe.

UBA President, Jochen Flabrth also asked the swimmers to pay more attention to cleanliness and the pool owners are advised to reduce the risk by using the latest water treatment technology.

"Swimming is a healthy sport for children and adults. Therefore, to prevent side effects trikloramin, each person should rinse his body with water before swimming," said Flasbarth.

A European study published in 2006 found a high incidence of asthma and wheezing cough in children aged 13-14 years when they use the indoor pool.

Research carried out at the pool England in 2003 also found a high protein in the blood triggers trikloramin young swimmers and parents who just sit in the pool area and not plunge into the pool.