Background: Methicillin-resistant Staphylococcus aureus (MRSA) is a common cause of both community and hospital acquired infections. According to CDC, MRSA is responsible for 70,000 severe infections and 9,000 deaths per year. The MRSA nasal PCR (MRSA PCR) is a screening test for MRSA colonization in the nares. It has a sensitivity of about 67.4% and [...]

Background: The COVID-19 RT-PCR test is a real-time reverse transcription polymerase chain reaction (rRT-PCR) test for the qualitative detection of nucleic acid from SARS-CoV-2 virus (8). False negative RT-PCR tests pose a serious challenge as they can lead to diagnosis and treatment delays as well as increased risk of viral transmission in the community (1-10). [...]