To summarize, virusoids (also called “viroid-like satellite RNAs”) are circular, single-stranded RNA molecules that exhibit the following traits: “ (1) satRNA parasitizes on helper virus (HV ...

Wisconsin health officials have confirmed the state's first human case of West Nile virus (WNV) in Barron County for 2025. Mosquitoes in Milwaukee and Lafayette counties have also tested positive.

Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in Northeast Philadelphia ...

These single-stranded RNA viruses belong to the Paramyxoviridae family, and fall into two genera: Respirovirus and Rubulavirus, and overall there are four types (1-4) and two subtypes (4a and 4b ...

Obelisks bear some resemblance to viroids—tiny, circular fragments of single-stranded RNA. Like viruses, viroids need a host to replicate, and they can infect and cause disease in eukaryotes ...

What is a henipavirus? According to information from the CDC, henipaviruses are single-strand RNA viruses that can infect humans. Of six that were previously identified, "Hendra virus and Nipah ...

Respiratory syncytial virus (RSV), SARS-CoV2, influenza virus, poliovirus, and measles -- all single-stranded RNA viruses -- are some examples of highly contagious diseases transmitted by ...

Like other single-stranded RNA viruses, norovirus has a high mutation rate. This promotes genetic diversity, so new variants “pop up all the time,” Foster says.

Background Avian paramyxovirus type 1 (APMV-1) is a single-strand RNA virus known to cause Newcastle disease, an infectious disease with neurologic, digestive, and respiratory manifestations in birds.