evidence: - Children aged 5 years and under do not need to wear a mask because in this age group, they may not be able to properly wear a mask without help or supervision. [...] In general, children aged 5 years and under do not need to wear masks. However, there may be times when caregivers will choose to put a mask on a child – for example, if the child has contact with a person who is at a high risk of developing severe disease or is around someone who is ill. Children of this age should not wear masks for a long duration or without supervision. [...] Children do not need to wear a mask when playing sports or doing physical activities, such as running, jumping or playing, as it may affect their breathing. When organizing sporting activities for children, it is important to encourage all other public health measures: