We recommend you check your current destination requirements and connect with airlines to complete their needs. Most countries worldwide peoples require the PCR test for travel and some countries only need the covid 19 Rapid tests. It is essential for initial coming to Houston to have received the certificate 3 days before arriving at a negative covid -19 test for people coming from some specific country. It is also essential to have a PCR certificate if you are going to the United States. Then contact the Global Travel Clinics, and get all covid-related tests and travel certificates within 24 hours. For more information, visit the website: [ Ссылка ]

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