Quantitative Investigation of Viral Load in Acute to Subacute Human Adenovirus Type 54 Conjunctivitis.
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| Abstract |
To understand the clinical course of human adenoviral (HAdV) conjunctivitis and establish a better treatment regimen, 38 eyes of 19 patients with HAdV-54 conjunctivitis for less than one week from onset were evaluated for clinical signs and symptoms and DNA copy numbers. A viral load of 104-105 is required to develop symptoms of HAdV conjunctivitis, as symptoms were present in eyes with viral loads of ≥104 at least once during the course. Next, it was observed that asymptomatic infections in the contralateral eyes are common, as the virus was detected in most eyes that did not develop conjunctivitis. Furthermore, there was no rapid decrease in the viral load in healed eyes; on the contrary, the viral load in the healed eyes on day 15 was significantly higher than that in the unhealed eyes. This was likely due to corticosteroid instillation, which rapidly alleviated symptoms but prolonged the duration of viral shedding. Recently, combination treatment with iodine and corticosteroids has been recommended for HAdV conjunctivitis. Assessing changes in the viral load and clinical symptoms would be helpful to better understand the clinical course of this disease.
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| Authors | Kazuki Matsuura, Yuki Terasaka, Dai Miyazaki, Yumiko Shimizu, Yoshitsugu Inoue |
| Journal | Japanese journal of infectious diseases (Jpn J Infect Dis) Vol. 74 Issue 6 Pg. 567-569 (Nov 22 2021) ISSN: 1884-2836 [Electronic] Japan |
| PMID | 33790064 (Publication Type: Journal Article) |
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