Results 261 to 270 of about 540,129 (298)
Dengue, chikungunya and Zika virus surveillance in blood donors in Brazil, 2019–2021
Vox Sanguinis, Volume 121, Issue 2, Page 196-201, February 2026.Abstract Background and Objectives Arbovirus infections are a major public health concern in Brazil and an ongoing blood safety concern. Periodic outbreaks of such infections are common in the general population. This study aimed to establish the rates of dengue, chikungunya and Zika virus (DENV, CHIKV, ZIKV) RNAemia among blood donors at six public ...
Eduard Grebe +18 more
wiley +1 more source
First Observations and Characteristics of Positive Upward Illumination Strokes
Geophysical Research Letters, Volume 53, Issue 1, 16 January 2026.Abstract Upward Illumination (UI) strokes are a subtype of cloud‐to‐ground (CG) return strokes characterized by two concurrent branches striking the ground a few milliseconds apart. The luminous channel of an UI stroke does not connect to the main channel, which gives this phenomenon its name.
Antonio C. V. Saraiva +10 more
wiley +1 more source
Dezoito anos catando papel em Belo Horizonte Eighteen years gathering paper in Belo Horizonte
Estudos Avançados, 2008 José Aparecido Gonçalves +2 more
openaire +1 more source