1. Aged 3-17 years (both inclusive), 2. The subject voluntarily agrees to participate in the research (or the subject's legal guardian voluntarily agrees that the child participates in the research), the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification, comply with the requirements of the test protocol, 3. The subject and/or the subject's legal guardian has the ability to understand (non-literate) research procedures and to participate in planned follow-up visits, 4. Underarm body temperature <37.3? (>14 years old), armpit body temperature <37.5? (<=14 years old), 5. Subjects of childbearing age agree to take effective contraceptive measures during the study.

1. Aged 3-17 years (both inclusive), 2. The subject voluntarily agrees to participate in the research (or the subject's legal guardian voluntarily agrees that the child participates in the research), the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification, comply with the requirements of the test protocol, 3. The subject and/or the subject's legal guardian has the ability to understand (non-literate) research procedures and to participate in planned follow-up visits, 4. Underarm body temperature <37.3? (>14 years old), armpit body temperature <37.5? (<=14 years old), 5. Subjects of childbearing age agree to take effective contraceptive measures during the study.

1) Aged 3-17 years old (all inclusive), 2) The subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification, Understand and comply with test protocol requirements, 3)The subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up, 4) Axillary temperature < 37.3 degree C (> 14 years old), axillary temperature < 37.5 degree C(<=14 years old), 5) Female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.

1) Aged 3-17 years old (all inclusive), 2) The subject voluntarily agrees to participate in the study (or the legal guardian of the subject voluntarily agrees the child to participate in the study), and the guardian and the subject (8-17 years old) sign the informed consent form, and can provide valid identification, Understand and comply with test protocol requirements, 3)The subject and / or the legal guardian of the subject have the ability to understand the (non illiterate) study procedure and participate in the planned follow-up, 4) Axillary temperature < 37.3 degree C (> 14 years old), axillary temperature < 37.5 degree C(<=14 years old), 5) Female and male subjects of childbearing age agreed to take effective contraceptive measures during the study.