There should be more studies to understand the impact of 'long Covid' on people's health, otherwise this might end up becoming a "parallel pandemic", Rajya Sabha MP Vandana Chavan said on Wednesday.?Raising the issue in a special mention in the House, the Nationalist Congress Party (NCP) leader said considering the huge drop in daily number of Covid-19 cases, the worst seems to be over. However, it appears, there is ample evidence of a variety of side effects that are emerging among the infected population, she said.?