Browsing by Author "Waard, Jacobus H. de"

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Assessing the impact of various tuberculin PPD brands on bovine tuberculosis diagnosis

Echeverria, Gustavo; Zumarraga, Martin Jose; Proaño‑Pérez, Freddy; Barceló Blasco, Francisco; Waard, Jacobus H. de (Springer Nature, 2024-03)

Although several brands of tuberculin purified protein derivatives (PPDs) are available for diagnosing bovine tuberculosis (bTB), comparative studies to determine their diagnostic accuracy are infrequent. In Ecuador we ...
First Case Reports of Nontuberculous Mycobacterial (NTM) Lung Disease in Ecuador: Important Lessons to Learn

Echeverria, Gustavo; Rueda, Veronica; Espinoza, Wilson; Rosero, Carlos; Zumarraga, Martin Jose; Waard, Jacobus H. de (MDPI, 2023-04)

Nontuberculous mycobacteria (NTM) lung infections are often misdiagnosed as tuberculosis, which can lead to ineffective antibiotic treatments. In this report, we present three cases of NTM lung infections in Ecuador that ...
Shedding light on risk: Seroprevalence of Q fever among farm animals and workers in Ecuador

Guerrero-Freire, Mónica Salomé; Ledesma, Yanua; Echeverria, Gustavo; Blanco, Federico Carlos; Waard, Jacobus H. de (Elsevier, 2024-12)

Q fever, caused by the bacterium Coxiella burnetii, is a zoonotic disease that has been largely overlooked despite presenting significant risks to both animal and public health. Although well studied in some countries, in ...