First detection of human pathogenic variant of Anaplasma phagocytophilum in field‐collected Haemaphysalis longicornis, Pennsylvania, USA.

Autor:	Price, Keith J., Ayres, Bryan N., Maes, Sarah E., Witmier, Bryn J., Chapman, Holly A., Coder, Brooke L., Boyer, Christian N., Eisen, Rebecca J., Nicholson, William L.
Předmět:	ANAPLASMA phagocytophilum WATCHFUL waiting INTRODUCED species DIAGNOSTIC use of polymerase chain reaction SEQUENCE analysis TICK-borne diseases
Zdroj:	Zoonoses & Public Health; Mar2022, Vol. 69 Issue 2, p143-148, 6p
Abstrakt:	The Asian longhorned tick, Haemaphysalis longicornis, an invasive species associated with human pathogens, has spread rapidly across the eastern USA. Questing H. longicornis ticks recovered from active surveillance conducted from 1 May to 6 September, 2019 throughout Pennsylvania were tested for rickettsial pathogens. Of 265 ticks tested by PCR for pathogens, 4 (1.5%) were positive for Anaplasma phagocytophilum. Sequence analysis of the 16S rRNA gene confirmed two positives as A. phagocytophilum–human agent variant. This is the first reported detection of A. phagocytophilum–human pathogenic strain DNA in exotic H. longicornis collected in the USA. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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