Cough, runny nose and fever. Delhi's hospitals are teeming with patients complaining of these symptoms. Doctors are telling them not to panic as the viral fever comes with the season.

"Children and the elderly are more vulnerable to viral infection. The number of patients has surely increased, but there is no need to panic as antibiotics work," said Vinod Kumar Paul, head of paediatrics at the All India Institute of Medical Sciences (AIIMS).

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