Antonio Guerrero MD PhD
@guerreroespejo.bsky.social
Infectious diseases physician and clinical microbiologist | Valencia (Spain)
"Dive into 'The Plains of Passage' by Jean M. Auel!
Ayla and Jondalar trek across prehistoric european steppes in an odyssey of love, danger, and discovery.
📖🌍 #JeanMAuel #PrehistoricNovel"
Ayla and Jondalar trek across prehistoric european steppes in an odyssey of love, danger, and discovery.
📖🌍 #JeanMAuel #PrehistoricNovel"
November 17, 2025 at 5:15 PM
"Dive into 'The Plains of Passage' by Jean M. Auel!
Ayla and Jondalar trek across prehistoric european steppes in an odyssey of love, danger, and discovery.
📖🌍 #JeanMAuel #PrehistoricNovel"
Ayla and Jondalar trek across prehistoric european steppes in an odyssey of love, danger, and discovery.
📖🌍 #JeanMAuel #PrehistoricNovel"
A 75-YO♀️ 4 year of minocycline for chronic osteomielitis: a 3-year of gradually darkening facial skin, diffuse blue–gray #hyperpigmentation on her face & ears, with sparing of an area beneath her right eye, where she had received a skin graft 6 years before
1/2
DOI: 10.1056/NEJMicm2111130
#IDSky
1/2
DOI: 10.1056/NEJMicm2111130
#IDSky
November 17, 2025 at 6:46 AM
A 75-YO♀️ 4 year of minocycline for chronic osteomielitis: a 3-year of gradually darkening facial skin, diffuse blue–gray #hyperpigmentation on her face & ears, with sparing of an area beneath her right eye, where she had received a skin graft 6 years before
1/2
DOI: 10.1056/NEJMicm2111130
#IDSky
1/2
DOI: 10.1056/NEJMicm2111130
#IDSky
- Fly bites,
- skin lesion in an asymptomatic traveler returned from Tanzania and
- a buffy coat smear ➕
1/3
doi.org/10.1016/j.id...
#parasitology #Medicine
- skin lesion in an asymptomatic traveler returned from Tanzania and
- a buffy coat smear ➕
1/3
doi.org/10.1016/j.id...
#parasitology #Medicine
November 15, 2025 at 8:57 AM
- Fly bites,
- skin lesion in an asymptomatic traveler returned from Tanzania and
- a buffy coat smear ➕
1/3
doi.org/10.1016/j.id...
#parasitology #Medicine
- skin lesion in an asymptomatic traveler returned from Tanzania and
- a buffy coat smear ➕
1/3
doi.org/10.1016/j.id...
#parasitology #Medicine
A 17-YO♂️ from Indian: 5 years of episodes of secondarily generalized tonic-clonic seizures.
MR: “hole-with-dot” sign in the brain parenchyma, scalp and facial muscles, and the tongue.
Two buff-colored translucent conjuctival cysts in his left eye
½
doi.org/10.4269/ajtm...
#IDSky #neurology
MR: “hole-with-dot” sign in the brain parenchyma, scalp and facial muscles, and the tongue.
Two buff-colored translucent conjuctival cysts in his left eye
½
doi.org/10.4269/ajtm...
#IDSky #neurology
November 12, 2025 at 7:39 AM
A 17-YO♂️ from Indian: 5 years of episodes of secondarily generalized tonic-clonic seizures.
MR: “hole-with-dot” sign in the brain parenchyma, scalp and facial muscles, and the tongue.
Two buff-colored translucent conjuctival cysts in his left eye
½
doi.org/10.4269/ajtm...
#IDSky #neurology
MR: “hole-with-dot” sign in the brain parenchyma, scalp and facial muscles, and the tongue.
Two buff-colored translucent conjuctival cysts in his left eye
½
doi.org/10.4269/ajtm...
#IDSky #neurology
#Chikungunya #virus disease- Global situation
Per available data from January to September 2025, 263 592 suspected and 181 679 confirmed CHIKV disease cases and 155 CHIKV disease-related deaths have been reported globally.
👇
www.who.int/emergencies/...
Per available data from January to September 2025, 263 592 suspected and 181 679 confirmed CHIKV disease cases and 155 CHIKV disease-related deaths have been reported globally.
👇
www.who.int/emergencies/...
November 10, 2025 at 5:55 AM
#Chikungunya #virus disease- Global situation
Per available data from January to September 2025, 263 592 suspected and 181 679 confirmed CHIKV disease cases and 155 CHIKV disease-related deaths have been reported globally.
👇
www.who.int/emergencies/...
Per available data from January to September 2025, 263 592 suspected and 181 679 confirmed CHIKV disease cases and 155 CHIKV disease-related deaths have been reported globally.
👇
www.who.int/emergencies/...
Between 20 September and 30 October 2025, a total of 404 confirmed human cases of Rift Valley fever (RVF), including 42 deaths, were reported by national health authorities in two West African countries: #Mauritania and #Senegal
www.who.int/emergencies/...
www.who.int/emergencies/...
November 8, 2025 at 7:12 AM
Between 20 September and 30 October 2025, a total of 404 confirmed human cases of Rift Valley fever (RVF), including 42 deaths, were reported by national health authorities in two West African countries: #Mauritania and #Senegal
www.who.int/emergencies/...
www.who.int/emergencies/...
10-year-old boy ♂️, handles sheep: nodule lesion in target pattern for 3 days, and another erythematous maculopapular lesion at a different stage of evolution; in the previous week, ipsilateral axillary lymphadenopathy.
½
continuum.aeped.es
#pediatrics #infectiousdiseases
½
continuum.aeped.es
#pediatrics #infectiousdiseases
November 3, 2025 at 10:00 AM
10-year-old boy ♂️, handles sheep: nodule lesion in target pattern for 3 days, and another erythematous maculopapular lesion at a different stage of evolution; in the previous week, ipsilateral axillary lymphadenopathy.
½
continuum.aeped.es
#pediatrics #infectiousdiseases
½
continuum.aeped.es
#pediatrics #infectiousdiseases
A 20-y-o♀️: sore throat, inflamed tonsils & 7 days of R upper quadrant pain; posterior cervical lymph nodes, &+ Murphy sign.
Leukocytosis &⏫liver enzymes.
CT: an enlarged gallbladder, thickened wall, pericholecystic fluid collection & hepatosplenomegaly. No stones
1/3
doi.org/10.1503/cmaj...
#IDSky
Leukocytosis &⏫liver enzymes.
CT: an enlarged gallbladder, thickened wall, pericholecystic fluid collection & hepatosplenomegaly. No stones
1/3
doi.org/10.1503/cmaj...
#IDSky
November 1, 2025 at 10:21 AM
A 20-y-o♀️: sore throat, inflamed tonsils & 7 days of R upper quadrant pain; posterior cervical lymph nodes, &+ Murphy sign.
Leukocytosis &⏫liver enzymes.
CT: an enlarged gallbladder, thickened wall, pericholecystic fluid collection & hepatosplenomegaly. No stones
1/3
doi.org/10.1503/cmaj...
#IDSky
Leukocytosis &⏫liver enzymes.
CT: an enlarged gallbladder, thickened wall, pericholecystic fluid collection & hepatosplenomegaly. No stones
1/3
doi.org/10.1503/cmaj...
#IDSky
A 42-year-old man: a 1-month of an intensely pruritic, migratory, moving a few millimeters to a few centimeters daily, serpiginous, erythematous raised tract on his right foot eruption after a vacation in Nigeria.
1/2
www.nejm.org/doi/abs/10.1...
#Dermatology #Medicine
1/2
www.nejm.org/doi/abs/10.1...
#Dermatology #Medicine
October 30, 2025 at 8:53 AM
A 42-year-old man: a 1-month of an intensely pruritic, migratory, moving a few millimeters to a few centimeters daily, serpiginous, erythematous raised tract on his right foot eruption after a vacation in Nigeria.
1/2
www.nejm.org/doi/abs/10.1...
#Dermatology #Medicine
1/2
www.nejm.org/doi/abs/10.1...
#Dermatology #Medicine
I love the work of #microbiologists when they diagnose!:
- In peripheral blood film, dividing forms of T. brucei (A) or ring form of P. falciparum (B)
or
- In stool, corticated Ascaris lumbricoides ovum (C) or
Trichuris trichiura ovum (D).
doi.org/10.4269/ajtm...
#microbiology #parasitology
- In peripheral blood film, dividing forms of T. brucei (A) or ring form of P. falciparum (B)
or
- In stool, corticated Ascaris lumbricoides ovum (C) or
Trichuris trichiura ovum (D).
doi.org/10.4269/ajtm...
#microbiology #parasitology
October 29, 2025 at 9:04 AM
I love the work of #microbiologists when they diagnose!:
- In peripheral blood film, dividing forms of T. brucei (A) or ring form of P. falciparum (B)
or
- In stool, corticated Ascaris lumbricoides ovum (C) or
Trichuris trichiura ovum (D).
doi.org/10.4269/ajtm...
#microbiology #parasitology
- In peripheral blood film, dividing forms of T. brucei (A) or ring form of P. falciparum (B)
or
- In stool, corticated Ascaris lumbricoides ovum (C) or
Trichuris trichiura ovum (D).
doi.org/10.4269/ajtm...
#microbiology #parasitology
64-YO male renal transplant: a tumour with dark pigmentation
in the Achilles región gradually growing in size.
🔬: (a) granulomatous infiltrate (b) thick-walled septate structures
🧫(a) grey-olivaceous colour. (b) 🔬 appearance
½
DOI: 10.1016/j.riam.2012.06.004
#microbiology #dermatology
in the Achilles región gradually growing in size.
🔬: (a) granulomatous infiltrate (b) thick-walled septate structures
🧫(a) grey-olivaceous colour. (b) 🔬 appearance
½
DOI: 10.1016/j.riam.2012.06.004
#microbiology #dermatology
October 26, 2025 at 5:06 AM
64-YO male renal transplant: a tumour with dark pigmentation
in the Achilles región gradually growing in size.
🔬: (a) granulomatous infiltrate (b) thick-walled septate structures
🧫(a) grey-olivaceous colour. (b) 🔬 appearance
½
DOI: 10.1016/j.riam.2012.06.004
#microbiology #dermatology
in the Achilles región gradually growing in size.
🔬: (a) granulomatous infiltrate (b) thick-walled septate structures
🧫(a) grey-olivaceous colour. (b) 🔬 appearance
½
DOI: 10.1016/j.riam.2012.06.004
#microbiology #dermatology
Culture: Bipolaris hawaiiensis
SUBCUTANEOUS PHAEOHYPHOMYCOSIS caused by Bipolaris hawaiiensis in an immunocompetent patient
Surgical evacuation of the collection & itraconazole, to which there was a good response after 16 weeks
2/2
#medicine #dermatology
SUBCUTANEOUS PHAEOHYPHOMYCOSIS caused by Bipolaris hawaiiensis in an immunocompetent patient
Surgical evacuation of the collection & itraconazole, to which there was a good response after 16 weeks
2/2
#medicine #dermatology
October 22, 2025 at 9:27 AM
Culture: Bipolaris hawaiiensis
SUBCUTANEOUS PHAEOHYPHOMYCOSIS caused by Bipolaris hawaiiensis in an immunocompetent patient
Surgical evacuation of the collection & itraconazole, to which there was a good response after 16 weeks
2/2
#medicine #dermatology
SUBCUTANEOUS PHAEOHYPHOMYCOSIS caused by Bipolaris hawaiiensis in an immunocompetent patient
Surgical evacuation of the collection & itraconazole, to which there was a good response after 16 weeks
2/2
#medicine #dermatology
A 35-year-old male agriculturist: multiple asymptomatic swellings on the dorsum of right hand, both feet, and ankle region of 6 months’ duration, occasional yellowish discharge.
Cultures: pigmented fungi on Sabouraud's dextrose agar
doi: 10.4103/2229-5178.198770
1/2
#IDSky #Medicine #mycology
Cultures: pigmented fungi on Sabouraud's dextrose agar
doi: 10.4103/2229-5178.198770
1/2
#IDSky #Medicine #mycology
October 21, 2025 at 6:52 AM
56-year-old farmer, #Peru: Itching and pain in an erythematous, scaly, scarred area of the wrist for 8 years (a)
🔬: Brown muriform or fumagoid cells with a central septum (b)
🧫: Black, hairy colonies (c); hyphae and conidia (d)
½
dx.doi.org/10.4067/s071...
#IDSky #microbiology
🔬: Brown muriform or fumagoid cells with a central septum (b)
🧫: Black, hairy colonies (c); hyphae and conidia (d)
½
dx.doi.org/10.4067/s071...
#IDSky #microbiology
October 16, 2025 at 4:45 AM
56-year-old farmer, #Peru: Itching and pain in an erythematous, scaly, scarred area of the wrist for 8 years (a)
🔬: Brown muriform or fumagoid cells with a central septum (b)
🧫: Black, hairy colonies (c); hyphae and conidia (d)
½
dx.doi.org/10.4067/s071...
#IDSky #microbiology
🔬: Brown muriform or fumagoid cells with a central septum (b)
🧫: Black, hairy colonies (c); hyphae and conidia (d)
½
dx.doi.org/10.4067/s071...
#IDSky #microbiology
Global alert: #WHO reports rising monkeypox cases in Europe & Americas.
Surveillance & vaccination remain crucial for control.
More info: www.who.int/news/item/20...
#PublicHealth #InfectiousDiseases #Mpox
Surveillance & vaccination remain crucial for control.
More info: www.who.int/news/item/20...
#PublicHealth #InfectiousDiseases #Mpox
October 15, 2025 at 8:17 AM
Global alert: #WHO reports rising monkeypox cases in Europe & Americas.
Surveillance & vaccination remain crucial for control.
More info: www.who.int/news/item/20...
#PublicHealth #InfectiousDiseases #Mpox
Surveillance & vaccination remain crucial for control.
More info: www.who.int/news/item/20...
#PublicHealth #InfectiousDiseases #Mpox
22-year-old male with #eosinophilia, #asthma, and elevated IgE.
CT scan: multiple cylindrical #bronchiectasis with central predominance.
1/2
www.revista-portalesmedicos.com/revista-medi...
CT scan: multiple cylindrical #bronchiectasis with central predominance.
1/2
www.revista-portalesmedicos.com/revista-medi...
October 14, 2025 at 5:11 AM
22-year-old male with #eosinophilia, #asthma, and elevated IgE.
CT scan: multiple cylindrical #bronchiectasis with central predominance.
1/2
www.revista-portalesmedicos.com/revista-medi...
CT scan: multiple cylindrical #bronchiectasis with central predominance.
1/2
www.revista-portalesmedicos.com/revista-medi...
Outbreak of new COVID-19 variant in South Africa: Study in
@TheLancet reveals concerning mutations in the C.1.2 strain.
Possible increased transmissibility.
More information: thelancet.com/journals/lan.... #GlobalHealth
@TheLancet reveals concerning mutations in the C.1.2 strain.
Possible increased transmissibility.
More information: thelancet.com/journals/lan.... #GlobalHealth
October 13, 2025 at 5:30 AM
Outbreak of new COVID-19 variant in South Africa: Study in
@TheLancet reveals concerning mutations in the C.1.2 strain.
Possible increased transmissibility.
More information: thelancet.com/journals/lan.... #GlobalHealth
@TheLancet reveals concerning mutations in the C.1.2 strain.
Possible increased transmissibility.
More information: thelancet.com/journals/lan.... #GlobalHealth
🚨 New @TheLancet study: Global cholera cases rising in 2024, with severe outbreaks in conflict zones and linked to climate change.
Enhanced surveillance and safe water access are critical!
🔗: www.thelancet.com/journals/lan...
Enhanced surveillance and safe water access are critical!
🔗: www.thelancet.com/journals/lan...
October 13, 2025 at 5:15 AM
🚨 New @TheLancet study: Global cholera cases rising in 2024, with severe outbreaks in conflict zones and linked to climate change.
Enhanced surveillance and safe water access are critical!
🔗: www.thelancet.com/journals/lan...
Enhanced surveillance and safe water access are critical!
🔗: www.thelancet.com/journals/lan...
Spain emerges from its worst pertussis outbreak: 12 deaths, nearly 29,000 cases.
Health authorities now reviewing infant vaccination schedules.
📎 Source: El País
#Pertussis #Epidemiology #PublicHealth
Health authorities now reviewing infant vaccination schedules.
📎 Source: El País
#Pertussis #Epidemiology #PublicHealth
October 12, 2025 at 5:37 AM
Spain emerges from its worst pertussis outbreak: 12 deaths, nearly 29,000 cases.
Health authorities now reviewing infant vaccination schedules.
📎 Source: El País
#Pertussis #Epidemiology #PublicHealth
Health authorities now reviewing infant vaccination schedules.
📎 Source: El País
#Pertussis #Epidemiology #PublicHealth
55-y-o ♀️ renal #transplant 14 years prior: febrile, pneumonia, headache and #lethargy
#MRI: bubble-like, T2-hyperintense signal foci without diffusion restriction involving the bilateral basal ganglia, with mild vasogenic edema
A lumbar puncture: ⏫opening pressure
1/2
doi.org/10.1503/cmaj...
#MRI: bubble-like, T2-hyperintense signal foci without diffusion restriction involving the bilateral basal ganglia, with mild vasogenic edema
A lumbar puncture: ⏫opening pressure
1/2
doi.org/10.1503/cmaj...
October 11, 2025 at 9:46 AM
55-y-o ♀️ renal #transplant 14 years prior: febrile, pneumonia, headache and #lethargy
#MRI: bubble-like, T2-hyperintense signal foci without diffusion restriction involving the bilateral basal ganglia, with mild vasogenic edema
A lumbar puncture: ⏫opening pressure
1/2
doi.org/10.1503/cmaj...
#MRI: bubble-like, T2-hyperintense signal foci without diffusion restriction involving the bilateral basal ganglia, with mild vasogenic edema
A lumbar puncture: ⏫opening pressure
1/2
doi.org/10.1503/cmaj...
55-year-old male, painless skin lesion on finger, sheep farmer, 5 days' evolution: Exudate, central eschar, afebrile, otherwise healthy.
What’s the diagnosis?
dialnet.unirioja.es/descarga/art... DOI:10.5209/dialnet.8991409
1/2
#MedCases #IDBlueSky
What’s the diagnosis?
dialnet.unirioja.es/descarga/art... DOI:10.5209/dialnet.8991409
1/2
#MedCases #IDBlueSky
October 10, 2025 at 6:53 AM
55-year-old male, painless skin lesion on finger, sheep farmer, 5 days' evolution: Exudate, central eschar, afebrile, otherwise healthy.
What’s the diagnosis?
dialnet.unirioja.es/descarga/art... DOI:10.5209/dialnet.8991409
1/2
#MedCases #IDBlueSky
What’s the diagnosis?
dialnet.unirioja.es/descarga/art... DOI:10.5209/dialnet.8991409
1/2
#MedCases #IDBlueSky
A 27-YO man #HIV + , unprotected #sex with a male partner, receptive oral and anal intercourse: fever, rash over his chest, abdomen and extremities (a few scattered vesicular and pustular lesions were also found on his extremities), and tenosynovitis in his left wrist
½
DOI: doi.org/10.1503/cmaj...
½
DOI: doi.org/10.1503/cmaj...
October 9, 2025 at 10:32 AM
A 27-YO man #HIV + , unprotected #sex with a male partner, receptive oral and anal intercourse: fever, rash over his chest, abdomen and extremities (a few scattered vesicular and pustular lesions were also found on his extremities), and tenosynovitis in his left wrist
½
DOI: doi.org/10.1503/cmaj...
½
DOI: doi.org/10.1503/cmaj...
#ID Alert!
🚨 Autochthonous #dengue and #chikungunya cases are rising in #Europe (France, Italy) due to the expanding Aedes #mosquito range.
Vector control & surveillance are crucial to prevent larger outbreaks.
🔗 Source: ECDC Weekly CDTR, Week 40/2025: www.ecdc.europa.eu/en/publicati...
🚨 Autochthonous #dengue and #chikungunya cases are rising in #Europe (France, Italy) due to the expanding Aedes #mosquito range.
Vector control & surveillance are crucial to prevent larger outbreaks.
🔗 Source: ECDC Weekly CDTR, Week 40/2025: www.ecdc.europa.eu/en/publicati...
October 9, 2025 at 4:33 AM
#ID Alert!
🚨 Autochthonous #dengue and #chikungunya cases are rising in #Europe (France, Italy) due to the expanding Aedes #mosquito range.
Vector control & surveillance are crucial to prevent larger outbreaks.
🔗 Source: ECDC Weekly CDTR, Week 40/2025: www.ecdc.europa.eu/en/publicati...
🚨 Autochthonous #dengue and #chikungunya cases are rising in #Europe (France, Italy) due to the expanding Aedes #mosquito range.
Vector control & surveillance are crucial to prevent larger outbreaks.
🔗 Source: ECDC Weekly CDTR, Week 40/2025: www.ecdc.europa.eu/en/publicati...
Dive into the captivating world of Jean M. Auel's "The Clan Of The Cave Bear".
An epic tale of survival, love, and discovery in prehistoric times.
Ayla awaits for an unforgettable journey. Don't miss it! 🦴 #PrehistoricFiction #MustRead
An epic tale of survival, love, and discovery in prehistoric times.
Ayla awaits for an unforgettable journey. Don't miss it! 🦴 #PrehistoricFiction #MustRead
October 7, 2025 at 4:04 PM
Dive into the captivating world of Jean M. Auel's "The Clan Of The Cave Bear".
An epic tale of survival, love, and discovery in prehistoric times.
Ayla awaits for an unforgettable journey. Don't miss it! 🦴 #PrehistoricFiction #MustRead
An epic tale of survival, love, and discovery in prehistoric times.
Ayla awaits for an unforgettable journey. Don't miss it! 🦴 #PrehistoricFiction #MustRead