Toronto: Health officials have flashed a warning to be on guard for symptoms of whooping cough as the number of cases reported spreads through Toronto.
Since November, nearly 167 live cases of pertussis have been recorded at the city's public health department, called as a whooping cough with under 4 children amongst 80% of the cases.
Though children are vaccinated against the disease, the vaccine is not known to be cent percent effective. Parents have been advised to be attentive to symptoms of Pertussis which begins with symptoms similar to common cold or flu. But these symptoms are followed by even grave symptoms of incessant cough and breathing difficulty.