Relative Risk for Ehrlichiosis and Lyme Disease in an Area Where Vectors for Both Are Sympatric, New Jersey, USA

Egizi, Andrea; Fefferman, Nina H.; Jordan, Robert

doi:10.3201/eid2306.160528

Cited by 23 publications

(15 citation statements)

References 39 publications

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“…Our understanding of ehrlichiosis incidence is based on the number of confirmed cases that are voluntarily reported to the CDC. Although under-reporting has been suggested due to poor public and physician awareness of the disease [ 19 , 20 ] and mild or asymptomatic infections [ 19 ], we observed an increase in the number of confirmed cases of ehrlichiosis in the state with a greater rate of increase in the ETF ecoregion since 1999. Increased awareness of the disease and diagnostic procedures has likely affected reporting.…”

Section: Discussionmentioning

confidence: 54%

Seasonality and trends in incidence of human ehrlichiosis in two Missouri ecoregions

et al. 2019

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Ehrlichiosis is a zoonotic illness caused by Ehrlichia pathogens transmitted by ticks. Case data from 1999 to 2015, provided by the Missouri Department of Health and Senior Services (DHSS), were used to compare the seasonality and the change in incidence over time of ehrlichiosis infection in two Missouri ecoregions, Eastern Temperate Forest (ETF) and Great Plains (GP). Although the number of cases has increased over time in both ecoregions, the rate of change was significantly faster in ETF region. There was no significant difference in seasonality of ehrlichiosis between ecoregions. In Missouri, the estimated ehrlichiosis season begins, on average, in mid-March, peaks in June, and concludes in mid-October. Our results show that the exposure and risk season for ehrlichiosis in Missouri is at least 7 months long.

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Section: Discussionmentioning

confidence: 54%

Seasonality and trends in incidence of human ehrlichiosis in two Missouri ecoregions

et al. 2019

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“…A single 200 mg dose of doxycycline in adults or 4 mg/kg in children older than 8 years (there is evidence now that doxycycline is safe at any age) may be reasonable after a tick bite is highly endemic for Lyme disease provided it is given within 72 h of the bite and if the clearly identified Ixodes scapularis tick was attached for at least 36 h [14,15]. The patient should be warned that this does not completely eliminate the chance of Lyme disease development and may not protect from either ehrlichiosis or anaplasmosis which commonly co-infect Ixodes ticks [6,23].…”

Section: Prophylaxis Against Infection: Current Statusmentioning

confidence: 99%

Tick-Borne Illness for Emergency Medicine Providers

Garber

Glauser

2019

Curr Emerg Hosp Med Rep

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Purpose of Review Ticks are the most important vectors of human diseases after mosquitoes. Emergency physicians throughout the USA can be expected to encounter Lyme disease, Rocky Mountain spotted fever, ehrlichiosis, and other disorders based upon geographic location. Recent Findings The number of identifiable disorders transmitted by these arthropods has increased in recent years. Severe fever with thrombocytopenia syndrome has only been described within the past decade, and the new millennium has seen over 10 new species of rickettsial disease discovered. Summary Ticks transmit more pathogenic species than any other group of blood-feeding arthropods. This review provides an update on the diagnosis and management of the diseases most likely to be encountered in clinical practice. Keywords Tick-borne illness. Rocky Mountain spotted fever. Babesiosis. Febrile illness. Lyme disease This article is part of the Topical Collection on Infectious Disease

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“…Based on these estimates, Lyme disease may be among the most common infectious diseases in the USA. Additionally, around 10 000 cases of other tick-borne diseases are reported annually [1], although the actual number of cases is probably significantly higher [4,5].…”

Section: Introductionmentioning

confidence: 99%

Emerging tick-borne pathogens of public health importance: a mini-review

Rochlin

Toledo

2020

Journal of Medical Microbiology

196

130

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Ticks are the most important vectors of human pathogens, leading to increased public health burdens worldwide. Tick-borne pathogens include viruses (e.g. tick-borne encephalitis and Powassan); bacteria, such as the causative agents of Lyme disease, spotted fever rickettsiosis and human anaplasmosis; and malaria-like protozoan parasites causing babesiosis. Tick-borne diseases are emerging due to the geographical expansion of their tick vectors, especially in the northern hemisphere. Two examples of this phenomenon are Ixodes scapularis and Amblyomma americanum, which have expanded their ranges in the USA in recent decades and are responsible for the continuous emergence of Lyme disease and human ehrlichiosis, respectively. This phenomenon is also occurring worldwide and is reflected by the increasing number of tick-borne encephalitis and haemorrhagic fever cases in Europe and Asia. In this review, we provide a concise synopsis of the most medically important tick-borne pathogen worldwide, with a particular emphasis on emerging public health threats.

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Relative Risk for Ehrlichiosis and Lyme Disease in an Area Where Vectors for Both Are Sympatric, New Jersey, USA

Cited by 23 publications

References 39 publications

Seasonality and trends in incidence of human ehrlichiosis in two Missouri ecoregions

Seasonality and trends in incidence of human ehrlichiosis in two Missouri ecoregions

Tick-Borne Illness for Emergency Medicine Providers

Emerging tick-borne pathogens of public health importance: a mini-review

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