Cases of viral fever and dengue are now not limited to just one part of the country. What started as a "mystery fever" in Uttar Pradesh has now spread to other states as well in the form of dengue and viral fever. <br /> <br />Bihar, Madhya Pradesh, Haryana, Delhi, Andhra Pradesh and even West Bengal have all been reporting suspected cases of dengue and viral fever. What’s even more concerning is that the children form a significant part of the infected patients. <br /> <br />In Uttar Pradesh, Firozabad is the epicentre of the dengue outbreak as the district has recorded 60 deaths due to the viral fever till September 14.