Other complications that have been reported include myocarditis, pericarditis, encephalitis, seizures, myositis, multiorgan failure and toxic shock syndrome [33] . The mortality in this group has been found to be around 18% with older age, requirement of mechanical ventilation and co-morbid conditions being major risk factors. A large number of deaths are seen in young to middle aged adults due to the higher incidence in this group [31, 32] .