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According to the CDC, the parvovirus B19 infection rate was less than a 3% in all age groups from 2022 to June 2024. Then in June , the infection rate suddenly jumped to 10%.
Human parvovirus B19, generally referred to as B19 virus (B19V), parvovirus B19 [1] or sometimes erythrovirus B19, [2] is a known human virus in the family Parvoviridae, genus Erythroparvovirus; it measures only 23–26 nm in diameter. [3] Human parvovirus b19 is a below-species classification of Erythroparvovirus primate1. [4]
Parvovirus B19 is highly infectious. Half of the people exposed in one household can become infected, the CDC said. Similar numbers are seen at schools among students and staff during outbreaks.
Parvovirus B19 will start replicating from anywhere for four to eighteen days. Infected children will be most contagious during this time and before they develop the most notable sign, a red rash on their cheeks, and other symptoms. [4] Since parvovirus B19 is a single stranded DNA virus, replication can only occur in dividing cells. [8]
Adults infected with parvovirus B19 are less likely to develop a face rash and may experience other severe symptoms. These include joint pain and swelling of the hands, wrists, knees or ankles ...
In pigs, the porcine parvovirus is a major cause of infertility. Human parvoviruses are less severe, the two most notable being parvovirus B19, which causes a variety of illnesses including fifth disease in children, and human bocavirus 1, which is a common cause
A parvovirus B19 infection usually causes no symptoms or a relatively mild illness, like flu-like symptoms, rashes, and joint pains, the CDC says. These are the biggest symptoms to have on your ...
Symptoms of parvovirus B19 come in phases. Many people infected with the virus are asymptomatic or have very mild symptoms. For people who do experience symptoms, the first phase of illness ...