Ключевые слова: adult, adults only, call, camera, certificate, closeup, color image, communication, connection, copy space, coronavirus, covid19 vaccine, epidemic, hand, healthcare and medicine, holding, horizontal, human hand, illness prevention, internet, laptop, looking, mobile, mobile app, mobile phone, one person, one woman only, only women, passport, person, perspective, phone, photo, portable information device, shooting, smart phone, smartphone, smiling, student, technology, telephone, thailand, travel, vaccination, vaccine passport, wireless technology, woman, young adult,