Two infants from Kyustendil have tragically lost their lives after contracting whooping cough , confirmed by Chief State Health Inspector Assoc. Angel Kunchev and the Ministry of Health to BNR. Both babies, less than two months old and yet to receive their vaccinations, succumbed to severe pneumonia resulting from the pertussis virus. Despite efforts to provide medical care, one baby was transported to the National Cardiology Hospital, while the other was taken to the Pediatric Hospital in