Some countries and regions may have specific policies or recommendations in place.
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儿童安全适当使用口罩的能力；
As always, follow the guidance provided by your country or local health department or ministry.
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能够获得口罩，以及在某些环境中（如在学校和托儿所中）能够清洗和更换口罩；
WHO and UNICEF recommend the following: 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.
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成人能够妥善监督和指导儿童如何戴上、摘下和安全佩戴口罩；
2.
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与教师、家长/照护者和/或医务人员协商，了解戴口罩对学习和社会心理发展的潜在影响；
In areas where SARS-CoV-2 is spreading , children ages 6-11 years are recommended to wear a well-fitted mask in indoor settings where ventilation is poor or unknown, even if physical distancing of at least 1 meter can be maintained; and in indoor settings that have adequate ventilation when physical distancing of at least 1 meter cannot be maintained.
Adolescents 12 years or older should follow the same WHO recommendations for mask use as adults: A well-fitted mask that covers the nose and mouth should be worn in settings where SARS CoV-2 is spreading, regardless of vaccination status or history of prior infection, when interacting with individuals who are not members of their household: in indoor settings where ventilation is known to be poor or cannot be assessed, or the ventilation system is not properly maintained, regardless of whether physical distancing of at least 1 meter can be maintained in indoor settings that have adequate ventilation if physical distancing of at least 1 meter cannot be maintained; or in outdoor settings where physical distancing of at least 1 meter cannot be maintained.