Kolkata and brought by regular airlines under strict radiation safety precautions. The isotope has to be used on same day since it loses its efficacy due to limited half-life.
The first is the possibility of the stool of any polio-affected child getting mixed with the gutter water. The second is the possibility of the polio vaccine getting mixed with the same water.
The 53-year-old singer reportedly fell down the stairs at the hotel where he was staying after the concert in Kolkata's Nazrul Mancha auditorium. Doctor at CMRI hospital said the singer was brought dead.
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