After surging for six weeks, Covid cases fell marginally in Kerala in the week ended on Sunday. A decline of 2% still left the state with 1.37 lakh new cases during the week, accounting for 54% of all infections detected in India during the period.After surging for six weeks, Covid cases fell marginally in Kerala in the week ended on Sunday. A decline of 2% still left the state with 1.37 lakh new cases during the week, accounting for 54% of all infections detected in India during the period.