Background/purpose Due to the easy transmission of COVID-19, the virus is a threat to
global health. Early diagnosis of suspected patients will play an essential role in preventing …

Objectives Amid the increasing number of pandemic coronavirus disease 2019 (COVID-19)
cases, there is a need for a quick and easy method to obtain a non-invasive sample for the …

Background: COVID-19 is a serious and potentially deadly disease. Early diagnosis of
infected individuals will play an important role in stopping its further escalation. The present …

The outbreak of novel coronavirus disease 2019 (COVID-19) caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread worldwide. Nasopharyngeal …

Widely available and easily accessible testing for COVID-19 is a cornerstone of pandemic
containment strategies. Nasopharyngeal swabs (NPS) are the currently accepted standard …

Background: From the begging months of 2020 a severe acute respiratory syndrome
coronavirus (SARS-CoV-2, also called 2019-nCoV) caused a devastating global outbreak …

Introduction Molecular diagnostics for SARS-CoV-2 infection characteristically involves the
sampling of the throat or nasopharyngeal swab (NPS). However, these procedures are …

Introduction Early detection of coronavirus disease 2019 (COVID‐19) is paramount for
controlling the progression and spread of the disease. Currently, nasopharyngeal swabbing …

Scaling up of diagnostic capacity is needed to mitigate the global pandemic of SARS-CoV2.
However, there are challenges including shortage of sample collection swabs and transport …

Background: The gold standard for COVID-19 diagnosis relies on quantitative reverse-
transcriptase polymerase-chain reaction (RT-qPCR) from nasopharyngeal swab (NPS) …