The COVID-19 pandemic led to many changes. Among them is universal familiarity with a molecular diagnostic technique that was largely unknown outside clinical use. The polymerase chain reaction ...

As the coronavirus that causes the COVID-19 disease spreads across the world, the IAEA, in partnership with the Food and Agriculture Organization of the United Nations (FAO), is offering its support ...

Medically reviewed by Jordana Haber Hazan, MD Two types of COVID-19 tests, the rapid antigen test and the polymerase chain ...

There are an estimated 10 31 viruses on Earth. That is to say: there may be a hundred million times more viruses on Earth than there are stars in the universe. The majority of these viruses infect ...

Figure 1: Amplification of complex gene libraries by conventional PCR and emulsion PCR. Figure 2: Ethidium bromide–stained agarose gels reveal the absence of size competition and chimeric ...

PCR-Machines are based on Polymerase Chain Reaction (PCR) and produce copies of genes exponentially. The PCR cycling reactions are carried out in an automated thermocycler, which is capable of ...

Five years after the World Health Organization declared a global pandemic, there has been progress — and backsliding in the ...

A recent study has found an over-the-counter nasal spray may interfere with respiratory virus diagnostic swabs. Northern ...

Viral diseases have been on the rise impacting human health across the globe. New strains of deadly viruses have emerged and spread around the world. From an outbreak of SARS coronavirus in 2003 ...