Persistent viral infections
In contrast to acute viral infections, persistent infections last for long periods, and occur when the primary infection is not cleared by the adaptive immune response. Varicella-zoster virus, measles virus,…
Search Results for: v world 019 pk
Hand, foot, and mouth disease outbreak in China
…The virions are composed of a positive-sense RNA surrounded by a capsid built with four different viral proteins. The predominant virus in the 2007 outbreak in China was enterovirus type…
How herpes simplex virus exits latency
…component of the virion and is a very strong transcriptional activator. However, it is produced late in the viral replication cycle. How could a late viral protein be crucial for…
Reverse zoonoses: Human viruses that infect other animals
…10% of all respiratory tract infections. All seven members of a group of chimpanzees were infected with the virus, but only one became ill. The virus was likely transmitted to…
Polio returns to Minnesota
…the infectious, orally administered poliovirus vaccine, OPV. They speculate that the patient was infected with OPV over nine years ago, because the use of this vaccine in the US was…
Swine influenza H1N1 update
…quickly, infecting more people, leading to selection of more virulent viral variants. Q: Are viruses more likely to get more or less pathogenic as time goes on? A: It could…