There are so many demand of article about how to collect a respiratory virus specimen since collection of high-quality 
specimens could be a crucial step for laboratory test for diagnosing Human Influenza Virus. This is what you will find in the depth of this article, a step by step of viral specimens collection explanation.
As we have already known, specimens should only be collected on patients who meet the following criteria: Acute onset of influenza-like illness within the previous 48 hours with symptoms of fever >100°F (37.8°C), and a cough or sore throat. Fever does not have to be present at the time of specimen collection. For Influenza (seasonal), parainfluenza, or adenovirus: submit nasopharyngeal (NP) swab (preferred) or throat swab, Respiratory Syncytial Virus: submit only NP swab and Suspect avian, swine or novel influenza: please contact your local/state Immunization Program Department prior to specimen submission (source: mass.gov).
To maximize the sensitivity test it is recommended to collect of either a NP swab or a throat swab (or both) during the first three days after the onset of clinical symptoms. Step by step about how to collect viral spesimens for both collection methods are brief-clearly described, and please complete read of it in the pdf filetype. Not to forget about using only your personal protective equipment such gloves, splash glasses and handwash or disinfectant for your safety and health (source: health.sa.gov.au)
