Kerala, which has been seeing a worrying surge in daily COVID-19 cases recorded 22,056 cases on Wednesday, almost 50 per cent of the nation's tally. The centre is sending a six-member team to the state. Though the state is vaccinating at a rate much faster than the rest of the country, its sero-positivity figure is lower. Are states like Maharashtra and Kerala with low antibodies are at a disadvantage compared to Madhya Pradesh and Bihar with higher antibodies?