Nathan Markarian
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markariannathan.bsky.social
Nathan Markarian
@markariannathan.bsky.social
PharmD student⚕️💊, MSc🦠|

Yerba mate enthusiast🧉|

💬: 🇨🇦 (ENG, FRA) ;֍(HYW); 🇦🇷 ; 🇧🇷 ; 🇮🇹
Rickettsia conorii causes Mediterranean spotted fever (MSF), endemic in the Mediterranean basin. Transmitted by the brown dog tick, Rhipicephalus sanguineus, MSF presents with fever, rash, and an eschar ("tache noire"). Doxycycline is the treatment of choice.
pmc.ncbi.nlm.nih.gov/articles/PMC...
Mediterranean Spotted Fever: Current Knowledge and Recent Advances
Mediterranean spotted fever (MSF) is an emerging tick-borne rickettsiosis of the spotted fever group (SFG), endemic in the Mediterranean basin. By virtue of technological innovations in molecular gene...
pmc.ncbi.nlm.nih.gov
February 27, 2025 at 2:22 PM
Burkholderia pseudomallei is a Gram-negative, motile rod that causes melioidosis, found in tropical and subtropical regions. Climate change may increase cases. It spreads via environmental exposure, with diabetes and low socioeconomic status as risk factors. www.nature.com/articles/s41...
Burkholderia pseudomallei and melioidosis - Nature Reviews Microbiology
In this Review, Meumann et al. discuss current knowledge on Burkholderia pseudomallei virulence and interaction with the host, and examine the epidemiology of melioidosis, offering insights into diagn...
www.nature.com
February 17, 2025 at 5:52 PM
Histoplasmosis, a fungal infection, is caused by inhaling H. capsulatum spores from contaminated soil (bird/bat droppings). Often mild or asymptomatic, it is severe, even fatal, in immunocompromised individuals, like those with HIV/AIDS or transplant recipients.
academic.oup.com/mmy/article/...
Histoplasmosis: A systematic review to inform the World Health Organization of a fungal priority pathogens list
Abstract. Histoplasmosis, a significant mycosis primarily prevalent in Africa, North and South America, with emerging reports globally, poses notable healt
academic.oup.com
January 29, 2025 at 6:27 PM
Sin Nombre virus (SNV), discovered in the U.S. Four Corners region, causes hantavirus pulmonary syndrome (HPS), a life-threatening disease. It is carried by deer mice & transmitted through aerosolized rodent excreta. Symptoms include fever & respiratory distress. pmc.ncbi.nlm.nih.gov/articles/PMC...
Sin Nombre Virus and the Emergence of Other Hantaviruses: A Review of the Biology, Ecology, and Disease of a Zoonotic Pathogen
In this review, we provide updates on Sin Nombre virus (SNV) and other New World hantaviruses. We discuss the history of SNV, its biology and relatedness to other emerging New World hantaviruses, its ...
pmc.ncbi.nlm.nih.gov
January 23, 2025 at 8:07 PM
Onchocerca volvulus is a filarial nematode that causes onchocerciasis, commonly known as river blindness. Transmitted through the bite of infected blackflies, It primarily occurs in sub-Saharan Africa, with foci in Latin America and in the Middle East.

www.cdc.gov/dpdx/onchoce...
CDC - DPDx - OnchocerciasisMinus govD SASstats
www.cdc.gov
January 20, 2025 at 6:23 PM
"Bartonella bacilliformis infection results in Carrion's disease in humans. In the 1st phase of infection it causes a hemolytic fever "Oroya fever" with a case fatality rate of 90% in untreated patients, followed by a chronic phase resulting in angiogenic skin lesions (verruga peruana)."
January 17, 2025 at 1:57 AM
Yup! Bartonella bacilliformis :)
January 17, 2025 at 1:52 AM