Search Results - "Rafael Araos"

Effectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile by Jara, Alejandro, Undurraga, Eduardo A, González, Cecilia, Paredes, Fabio, Fontecilla, Tomás, Jara, Gonzalo, Pizarro, Alejandra, Acevedo, Johanna, Leo, Katherinne, Leon, Francisco, Sans, Carlos, Leighton, Paulina, Suárez, Pamela, García-Escorza, Heriberto, Araos, Rafael

“…In a national prospective cohort study involving 10.2 million participants in Chile, the effectiveness of an inactivated SARS-CoV-2 vaccine, which had been…”
Get full text

Duration of effectiveness of vaccines against SARS-CoV-2 infection and COVID-19 disease: results of a systematic review and meta-regression by Feikin, Daniel R, Higdon, Melissa M, Abu-Raddad, Laith J, Andrews, Nick, Araos, Rafael, Goldberg, Yair, Groome, Michelle J, Huppert, Amit, O'Brien, Katherine L, Smith, Peter G, Wilder-Smith, Annelies, Zeger, Scott, Deloria Knoll, Maria, Patel, Minal K

“…Knowing whether COVID-19 vaccine effectiveness wanes is crucial for informing vaccine policy, such as the need for and timing of booster doses. We aimed to…”
Get full text

Evaluation of a novel antigen-based rapid detection test for the diagnosis of SARS-CoV-2 in respiratory samples by Porte, Lorena, Legarraga, Paulette, Vollrath, Valeska, Aguilera, Ximena, Munita, José M, Araos, Rafael, Pizarro, Gabriel, Vial, Pablo, Iruretagoyena, Mirentxu, Dittrich, Sabine, Weitzel, Thomas

“…•Due to the rapidly emerging SARS-CoV-2 pandemic and its tremendous public health challenges worldwide, there is a critical demand for rapid and easy to…”
Get full text

Effectiveness of the second COVID-19 booster against Omicron: a large-scale cohort study in Chile by Jara, Alejandro, Cuadrado, Cristobal, Undurraga, Eduardo A., García, Christian, Nájera, Manuel, Bertoglia, María Paz, Vergara, Verónica, Fernández, Jorge, García-Escorza, Heriberto, Araos, Rafael

“…In light of the ongoing COVID-19 pandemic and the emergence of new SARS-CoV-2 variants, understanding the effectiveness of various booster vaccination regimens…”
Get full text

Reduced microbial diversity of the nasopharyngeal microbiome in household contacts with latent tuberculosis infection by Ruiz-Tagle, Cinthya, Ugalde, Juan A., Naves, Rodrigo, Araos, Rafael, García, Patricia, Balcells, María Elvira

“…The upper respiratory tract is an obliged pathway for respiratory pathogens and a healthy microbiota may support the host's mucosal immunity preventing…”
Get full text

Transmission of gram-negative antibiotic-resistant bacteria following differing exposure to antibiotic-resistance reservoirs in a rural community: a modelling study for bloodstream infections by Allel, Kasim, Goscé, Lara, Araos, Rafael, Toro, Daniel, Ferreccio, Catterina, Munita, Jose M., Undurraga, Eduardo A., Panovska-Griffiths, Jasmina

“…Exposure to community reservoirs of gram-negative antibiotic-resistant bacteria (GN-ARB) genes poses substantial health risks to individuals, complicating…”
Get full text

Multi-country cross-sectional study of colonization with multidrug-resistant organisms: protocol and methods for the Antibiotic Resistance in Communities and Hospitals (ARCH) studies by Sharma, Aditya, Luvsansharav, Ulzii-Orishikh, Paul, Prabasaj, Lutgring, Joseph D, Call, Douglas R, Omulo, Sylvia, Laserson, Kayla, Araos, Rafael, Munita, Jose M, Verani, Jennifer, Chowdhury, Fahmida, Muneer, Syeda Mah-E, Espinosa-Bode, Andres, Ramay, Brooke, Cordon-Rosales, Celia, Kumar, C P Girish, Bhatnagar, Tarun, Gupta, Neil, Park, Benjamin, Smith, Rachel M

“…Antimicrobial resistance is a global health emergency. Persons colonized with multidrug-resistant organisms (MDROs) are at risk for developing subsequent…”
Get full text

Isolation of Ciprofloxacin and Ceftazidime-Resistant Enterobacterales From Vegetables and River Water Is Strongly Associated With the Season and the Sample Type by Díaz-Gavidia, Constanza, Barría, Carla, Rivas, Lina, García, Patricia, Alvarez, Francisca P., González-Rocha, Gerardo, Opazo-Capurro, Andrés, Araos, Rafael, Munita, José M., Cortes, Sandra, Olivares-Pacheco, Jorge, Adell, Aiko D., Moreno-Switt, Andrea I.

“…The dissemination of antibiotic-resistant bacteria (ARB) from water used for crop irrigation to vegetables is poorly studied. During a year, five farmer…”
Get full text

Covid-19 in South America: clinical and epidemiological characteristics among 381 patients during the early phase of the pandemic in Santiago, Chile by Vial, Macarena R, Peters, Anne, Pérez, Inia, Spencer-Sandino, María, Barbé, Mario, Porte, Lorena, Weitzel, Thomas, Aylwin, Mabel, Vial, Pablo, Araos, Rafael, Munita, Jose M

“…Understanding the characteristics of the Covid-19 pandemic in different geographical regions, ethnic and socioeconomic settings are of emerging importance…”
Get full text

Fecal Microbiome Characteristics and the Resistome Associated With Acquisition of Multidrug-Resistant Organisms Among Elderly Subjects by Araos, Rafael, Battaglia, Thomas, Ugalde, Juan A, Rojas-Herrera, Marcelo, Blaser, Martin J, D'Agata, Erika M C

“…Infections caused by multidrug-resistant organisms (MDRO) lead to considerable morbidity and mortality. The elderly population residing in nursing homes are a…”
Get full text

First wave of SARS-CoV-2 in Santiago Chile: Seroprevalence, asymptomatic infection and infection fatality rate by Vial, Pablo A., González, Claudia, Apablaza, Mauricio, Vial, Cecilia, Lavín, M.Estela, Araos, Rafael, Rubilar, Paola, Icaza, Gloria, Florea, Andrei, Pérez, Claudia, Concha, Paula, Bastías, Diego, Errázuriz, María Paz, Pérez, Ruth, Guzmán, Francisco, Olea, Andrea, Guzmán, Eugenio, Correa, Juan, Munita, José Manuel, Aguilera, Ximena

“…The first wave of SARS-CoV-2 infection in Chile occurred during the cold season reaching a peak by the end of June 2020, with 80 % of the cases concentrated in…”
Get full text

Dynamics of the MRSA Population in a Chilean Hospital: a Phylogenomic Analysis (2000-2016) by Martínez, José R W, Planet, Paul J, Spencer-Sandino, Maria, Rivas, Lina, Díaz, Lorena, Moustafa, Ahmed M, Quesille-Villalobos, Ana, Riquelme-Neira, Roberto, Alcalde-Rico, Manuel, Hanson, Blake, Carvajal, Lina P, Rincón, Sandra, Reyes, Jinnethe, Lam, Marusella, Calderon, Juan F, Araos, Rafael, García, Patricia, Arias, César A, Munita, José M

“…The global dissemination of methicillin-resistant Staphylococcus aureus (MRSA) is associated with the emergence and establishment of clones in specific…”
Get full text

Antimicrobial Resistance Gene Prevalence in a Population of Patients with Advanced Dementia Is Related to Specific Pathobionts by Rowan-Nash, Aislinn D., Araos, Rafael, D'Agata, Erika M.C., Belenky, Peter

“…Long-term care facilities are significant reservoirs of antimicrobial-resistant organisms, and patients with advanced dementia are particularly vulnerable to…”
Get full text

Effectiveness of an Inactivated SARS-CoV-2 Vaccine. Reply by Jara, Alejandro, Undurraga, Eduardo A, Araos, Rafael

Get full text

Effectiveness of CoronaVac in children 3–5 years of age during the SARS-CoV-2 Omicron outbreak in Chile by Jara, Alejandro, Undurraga, Eduardo A., Zubizarreta, José R., González, Cecilia, Acevedo, Johanna, Pizarro, Alejandra, Vergara, Verónica, Soto-Marchant, Mario, Gilabert, Rosario, Flores, Juan Carlos, Suárez, Pamela, Leighton, Paulina, Eguiguren, Pablo, Ríos, Juan Carlos, Fernandez, Jorge, García-Escorza, Heriberto, Araos, Rafael

“…The outbreak of the B.1.1.529 lineage of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Omicron) has caused an unprecedented number of…”
Get full text

Effectiveness of homologous and heterologous booster doses for an inactivated SARS-CoV-2 vaccine: a large-scale prospective cohort study by Jara, Alejandro, Undurraga, Eduardo A, Zubizarreta, José R, González, Cecilia, Pizarro, Alejandra, Acevedo, Johanna, Leo, Katherinne, Paredes, Fabio, Bralic, Tomás, Vergara, Verónica, Mosso, Marcelo, Leon, Francisco, Parot, Ignacio, Leighton, Paulina, Suárez, Pamela, Rios, Juan Carlos, García-Escorza, Heriberto, Araos, Rafael

“…Several countries have authorised or begun using a booster vaccine dose against COVID-19. Policy makers urgently need evidence of the effectiveness of…”
Get full text

Comparative evaluation of four rapid SARS-CoV-2 antigen detection tests using universal transport medium by Weitzel, Thomas, Legarraga, Paulette, Iruretagoyena, Mirentxu, Pizarro, Gabriel, Vollrath, Valeska, Araos, Rafael, Munita, José M., Porte, Lorena

“…The gap between the number of samples and laboratory capacities to perform RT-PCR in a timely manner, however, is a major limitation of the public health…”
Get full text

The story behind Chile's rapid rollout of COVID-19 vaccination by Aguilera, Ximena, Mundt, Adrian P., Araos, Rafael, Weitzel, Thomas

“…Surprisingly, Chile was among the most successful nations worldwide in terms of both, vaccine availability and implementation and rollout of the vaccine…”
Get full text

Evaluation of two fluorescence immunoassays for the rapid detection of SARS-CoV-2 antigen-new tool to detect infective COVID-19 patients by Porte, Lorena, Legarraga, Paulette, Iruretagoyena, Mirentxu, Vollrath, Valeska, Pizarro, Gabriel, Munita, Jose, Araos, Rafael, Weitzel, Thomas

“…Real-Time Reverse-Transcription Polymerase Chain Reaction (RT-PCR) is currently the only recommended diagnostic method for SARS-CoV-2. However, rapid…”
Get full text

Multicenter Evaluation of Ceftolozane/Tazobactam for Serious Infections Caused by Carbapenem-Resistant Pseudomonas aeruginosa by Munita, Jose M., Aitken, Samuel L., Miller, William R., Perez, Federico, Rosa, Rossana, Shimose, Luis A., Lichtenberger, Paola N., Abbo, Lilian M., Jain, Rupali, Nigo, Masayuki, Wanger, Audrey, Araos, Rafael, Tran, Truc T., Adachi, Javier, Rakita, Robert, Shelburne, Samuel, Bonomo, Robert A., Arias, Cesar A.

“…A multicenter, retrospective study of patients infected with carbapenem-resistant Pseudomonas aeruginosa who were treated with ceftolozane/tazobactam was…”
Get full text