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Respiratory syncytial virus (RSV), [a] also called human respiratory syncytial virus (hRSV) and human orthopneumovirus, is a virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. [2] Its name is derived from the large cells known as syncytia that form when infected cells fuse. [2] [3]
The infection causes mild, cold-like symptoms but it can lead to severe lung infections like pneumonia and infant bronchiolitis and is especially dangerous to toddlers under two or with other ...
The respiratory syncytial virus , on the other hand, is contracted by direct contact and airborne droplets. It then replicates in the nose and throat before spreading to the lower respiratory tract. [48] RSV does cause epithelium damage. [48] Human parainfluenza virus typically results in inflammation of the nose, throat, and bronchi. [49]
Orthopneumoviruses can cause diseases that range from a less-severe upper-respiratory illness to severe bronchiolitis or pneumonia. Orthopneumoviruses are found among sheep, cows, and most importantly humans. In humans, the orthopneumovirus that specifically impacts infants and small children is known as human respiratory syncytial virus. [2]
Diagnosis, like with any infection, relies on the detection of the infectious cause. With viral pneumonia, samples are taken from the upper and/or lower respiratory tracts. [3] The samples can then be run through polymerase chain reaction (PCR), allowing for amplification of the virus as that allows better detection if present in the sample. [4]
The dangers of respiratory syncytial virus, or RSV, for older adults is nothing new. But, like so many things, our awareness of it and other contagious respiratory illnesses increased with the ...
The Chinese Center for Disease Control and Prevention published data showing that respiratory infections had risen significantly in the week of 16 to 22 December 2024; [54] human metapneumovirus was linked to 6.2 percent of positive respiratory illness tests and 5.4 percent of respiratory-illness hospitalizations in China, more than COVID-19 ...
But “when people talk about a 24-hour stomach bug, they’re almost always referring to norovirus infection,” says infectious disease expert Amesh A. Adalja, M.D., senior scholar at the Johns ...
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