enterovirus

Enterovirus D68 infections in North America

An outbreak of respiratory disease caused by enterovirus D68 began in August of this year with clusters of cases in Missouri and Illinois. Since then 691 infections have been confirmed in 46 states in the US. The number of confirmed infections is likely to increase in the coming weeks, as CDC has developed a more rapid diagnostic …

Enterovirus D68 infections in North America Read More »

The incubation period of a viral infection

The time before the symptoms of a viral infection appear is called the incubation period. During this time, viral genomes are replicating and the host is responding, producing cytokines such as interferon that can have global effects, leading to the classical symptoms of an acute infection (e.g., fever, malaise, aches, pains, and nausea). These symptoms are called the …

The incubation period of a viral infection Read More »

Acute flaccid paralysis of unknown etiology in California

In February 2014 I wrote about children in California who developed a poliomyelitis-like paralysis, also called acute flaccid paralysis or AFP. However, the cause of this paralysis was not known. The CDC has released its study of these cases and concludes “The etiology of AFP with anterior myelitis in the cases described in this report remains undetermined.” …

Acute flaccid paralysis of unknown etiology in California Read More »

TWiV 305: Rhymes with shinola

On episode #305 of the science show This Week in Virology, Vincent, Alan, and Kathy continue their coverage of the Ebola virus outbreak in West Africa, with a discussion of case fatality ratio, reproductive index, a conspiracy theory, and spread of the virus to the United States. You can find TWiV #305 at www.microbe.tv/twiv.

An outbreak of enterovirus 68

During the winter of 1962 in California, a new virus was isolated from the oropharynx of 4 children who had been hospitalized with respiratory disease that included pneumonia and bronchiolitis. On the basis of its physical, chemical, and biological properties, the virus was classified as an enterovirus in the picornavirus family. Subsequently named enterovirus D68, it …

An outbreak of enterovirus 68 Read More »

Scroll to Top