![]() ![]() Respiratory specimens should be collected as soon as possible after symptoms begin – ideally within 7 days. Lower respiratory specimens are preferred, but collecting nasopharyngeal and oropharyngeal (NP/OP) specimens, and serum, are strongly recommended depending upon the length of time between symptom onset and specimen collection. Handle, store, and ship specimens following appropriate protocolsĬollection of all three specimen types (not just one or two of the three), lower respiratory, upper respiratory and serum specimens for testing using the CDC MERS rRT-PCR assay is recommended.Use approved collection methods and equipment when collecting specimens.Maintain proper infection control when collecting specimens.Symptoms at the time of specimen collection.The number of days between specimen collection and symptom onset.Points to consider when determining which specimen types to collect from a person under investigation for MERS include: To increase the likelihood of detecting infection, CDC recommends collecting multiple specimens from different sites at different times after symptom onset, if possible. To date, we don’t fully understand the pathogenic potential and transmission dynamics of MERS-CoV. Also, please note, if an applicant accesses the appointment calendar multiple times without selecting a date, the profile may be frozen for 72 hours.Before collecting and handling specimens for Middle East Respiratory Syndrome Coronavirus (MERS-CoV) testing, determine whether the person meets the current definition for a “person under investigation” (PUI) for MERS-CoV infection prepared by the Centers for Disease Control and Prevention (CDC). Notes: An applicant may only reschedule four (4) times. In order to successfully complete the rescheduling process, applicants must be sure to select new dates for both the VAC appointment and the consular appointment. ![]() You will be prompted to choose a VAC appointment first and then the consular appointment. Once logged into your profile, on the left side bar, please select "Reschedule Appointment" to access the option. To reschedule your appointment, log into your profile accessing the link. If applicable, required documents based on visa class (such as a petition approval for petition-based visas more information about visa types and information about each can be found here).Your visa application (MRV) fee payment receipt.If more than one person is included in your passport, each person desiring a visa must submit an application A passport valid for travel to the United States with a validity date at least six months beyond your intended period of stay in the United States (unless country-specific agreements provide exemptions.To schedule a nonimmigrant visa appointment, you must have the following information and documents available: You must schedule an appointment for that interview, either online using this website or through the call center. In order to see VAC appointments available on the same day as your Embassy appointment, you must select an Embassy appointment at 9:30AM or later. You should schedule your VAC appointment for at least one day before your appointment at the Embassy, though same-day appointments will be available for applicants traveling from remote areas of the country. ![]() visas are required to appear in person for appointments at the Visa Application Center (VAC) and the U.S. If you do not qualify for the Visa Waiver Program or are traveling to study, work, or participate in an exchange program, you must apply for a nonimmigrant visa. Citizens of qualified countries may be also able to visit the United States without a visa under the Visa Waiver Program. Generally, a citizen of a foreign country who wishes to enter the United States must first obtain a visa, either a nonimmigrant visa for temporary stay or an immigrant visa for permanent residence.
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