The results of COVID tests taken from 169 Queensland miners and the emergence of any mystery cases will help determine whether the state is plunged into a lockdown as early as today. An Australian childcare chain has encouraged parents to ensure nappy changes are “respectful”– and to even ask toddlers for “cooperation”. An urgent ban on domestic travellers quarantining with high-risk international arrivals has been put in place after Queensland’s failure sparked a nationwide outbreak of the highly infectious Delta variant of coronavirus. Queensland researchers have made a key finding in how memories are formed.For updates and breaking news throughout the day take out a subscription at couriermail.com.au.