High Seroprevalence Against SARS-CoV-2 Among Faculty of Medicine and Health Sciences Personnel and Students of the University of Alcalá, Spain: Contributing Factors.

Purpose: Seroprevalence against SARS-CoV-2 within university systems is poorly studied, making evidence-based discussions of educational system reopening difficult. Moreover, few studies evaluate how antibodies against SARS-CoV-2 are maintained over time. We assessed serological response against the SARS-CoV-2 virus among our university students and staff.

Preliminary Evidence of and Infection in the Sera of Sheep, Dogs and Deer from an Area of Northern Spain.

Limited information is available on the presence of rickettsial infection in animal reservoirs in Spain. Antibodies against and were therefore sought in the sera of farm, domestic and wild animals ( = 223 samples) in an area of northern Spain. Indirect immunofluorescence assays showed: (A) 17/120 and 16/120 (14.

Epidemiological Study of Thogoto and Dhori Virus Infection in People Bitten by Ticks, and in Sheep, in an Area of Northern Spain.

There is little information on Thogoto virus (THOV) and Dhori virus (DHOV)infection in Spain. A total of 283 serum samples from 150 human subjects (78 males, 72 females) bitten by ticks, as well as samples from 120 sheep (one per animal), were studied by immunofluorescence assay. All human and animal subjects were from the province of Palencia in northern Spain.

Wild Red Foxes () as Sentinels of Rodent-Borne Hantavirus and Lymphocytic Choriomeningitis Virus in the Province of Soria, Northern Spain.

Three hundred and fourteen red foxes () in the province of Soria, Spain, were examined for hantavirus and lymphocytic choriomeningitis virus (LCMV) infection (and were likely to have been infected by feeding on infected rodents). Immunofluorescence and western blot assays confirmed 3.5% (11/314) to have antibodies to hantaviruses, and the immune fluorescence assay showed 2.

Screening of Forestry Workers in Guadalajara Province (Spain) for Antibodies to Virus, Hantavirus, spp. and .

Exposure to virus (LCMV), hantaviruses, spp. and among forestry workers from a province in central Spain (Guadalajara) was examined by serological screening. This is the first such study in this rural area, where people often live and work in proximity to domestic and wild animals.

Wild Red Foxes (Vulpes vulpes) as Sentinels of Parasitic Diseases in the Province of Soria, Northern Spain.

Four hundred red foxes (Vulpes vulpes) were examined for ecto- (arthropods) and endoparasites (Leishmania spp., Trichinella spp., and intestinal parasites).

Antibodies to Rickettsia spp. and Borrelia burgdorferi in Spanish Wild Red Foxes (Vulpes vulpes).

We examined 314 red foxes (Vulpes vulpes) from the province of Soria, Spain, for Rickettsia typhi, Rickettsia slovaca, and Borrelia burgdorferi infection. Immunofluorescence assays showed 1.9% had antibodies to R.

Molecular and serological study of rickettsial infection in humans, and in wild and farm animals, in the province of Burgos, Spain.

Limited information is available on the presence of rickettsial infection in humans and animal reservoirs in Spain. Exposure to spotted fever group rickettsia in healthy humans and in farm and wild animals in the Province of Burgos, Spain, was examined by serological methods. Rickettsial DNA was also sought by PCR in animal samples.

A seventeen-year epidemiological surveillance study of Borrelia burgdorferi infections in two provinces of northern Spain.

This paper reports a 17-year seroepidemiological surveillance study of Borrelia burgdorferi infection, performed with the aim of improving our knowledge of the epidemiology of this pathogen. Serum samples (1,179) from patients (623, stratified with respect to age, sex, season, area of residence and occupation) bitten by ticks in two regions of northern Spain were IFA-tested for B. burgdorferi antibodies.

Molecular detection of hemoprotozoa and Rickettsia species in arthropods collected from wild animals in the Burgos Province, Spain.

Limited information on the presence of bacterial and hematozoan infections in parasitic arthropods from Spain is available. In an attempt to address this issue, the prevalence of Theileria, Babesia, Hepatozoon, and Rickettsia species was investigated by polymerase chain reaction plus sequencing. In a survey for zoonotic pathogens in ectoparasites, 42 wild animals (which included rodents, carnivores, Sciuridae, and Cervidae) were captured in Burgos (Spain).

Nematocidal and trichomonacidal activities of 2-substituted quinolines.

Several quinolines were synthesized and evaluated in vitro and in vivo against the nematodes Caenorhabditis elegans, Heligmosomoides polygyrus and the protozoa Trichomonas vaginalis. If some of them have shown in vitro nematocide activity (at 10 microM), however, their trichomonacidal activity reached 50% reduction at only 100 microM. The in vivo activity on Trichinella spiralis model was evaluated for some of the most in vitro active quinolines.

Ivermectin resistant and susceptible third-stage larvae of Haemonchus contortus: cholinesterase and phosphatase activities.

Cholinesterase and acid phosphatase (AP), but not alkaline phosphatase activities, were detected in cytosolic and membrane-bound fractions of ivermectin resistant and susceptible Haemonchus contortus infective-stage larvae. Some differences in acetylcholinesterase activity of cytosolic fractions and in the AP activity of these fractions as well as in the response to AP inhibitors by membrane-bound fractions were detected. Data are discussed.