While taking a reading in their kitchen, he was shocked to see the indicator jump into the danger zone. A further investigation was made, confirming that the apartment building and others were contaminated.
दमे से ग्रस्त १,५२८ बच्चों में से, जिन पर सात शहरों में अध्ययन किया गया, ३७ प्रतिशत बच्चों को तिलचट्टों से बहुत एलर्जी थी ।