Changes in the epidemiology of diphtheria are occurring worldwide. A large proportion of
adults in many industrialized and developing countries are now susceptible to diphtheria. …

While progress has been made in characterizing humoral immunity to Zika virus (ZIKV) in
humans, little is known regarding the corresponding T cell responses to ZIKV. Here, we …

Background: Chikungunya virus (CHIKV) is an arbovirus that causes an acute febrile
syndrome with a severe and debilitating arthralgia. In Brazil, the Asian and East-Central South …

Little is known about the role of chemokines/chemokines receptors on T cells in natural DENV
infection. Patients from DENV-2 and -3- outbreaks were studied prospectively during the …

Urinary tract infections (UTIs) are often caused by Escherichia coli. Their increasing resistance
to broad-spectrum antibiotics challenges the treatment of UTIs. Whereas, E. coli ST131 is …

We report a case of Q fever in a man who presented with fever of 40 days duration associated
with thrombocytosis. Serological and molecular analysis (polymerase chain reaction) …

Currently, Brazil lives a triple arboviruses epidemic (DENV, ZIKV and CHIKV) making the
differential diagnosis difficult for health professionals. Here, we aimed to investigate …

The increasing problems with multidrug resistance in relation to Corynebacterium, including
C. diphtheriae, are examples of challenges confronting many countries. For this reason, …

Invasive diseases caused by Corynebacterium diphtheriae have been described increasingly.
Several reports indicate the destructive feature of endocarditis attributable to nontoxigenic …

Aims: To examine the occurrence of and to determine the antimicrobial susceptibility of
Corynebacterium pseudodiphtheriticum among patients with bacterial infections at a teaching …