provide(7) inherent(7) reaction(6) nucleic acid(6) Saliva(6) water(6) amplification(6) DNA(6) isothermal(6) COVID-19(5) diagnostic(5) Patient(5) RCA(4) targets(4) platform(4) environmental monitoring(4) SARS-CoV-2(4) isothermal amplification method(4) referred to(4) antimicrobial resistance(4) complexity(4) Severe acute respiratory syndrome(4) polymerase(4) PCR(4) padlock(4) limit of detection(4) nucleic acid amplification tests(4) linear(4) Bacterial(4) double-stranded(4)