The high numbers of COVID-19 cases and deaths in Brazil have made Latin America an
epicentre of the pandemic. SARS-CoV-2 established sustained transmission in Brazil early in …

The yellow fever virus (YFV) epidemic in Brazil is the largest in decades. The recent discovery
of YFV in Brazilian Aedes species mosquitos highlights a need to monitor the risk of …

Background Since its first detection in the Caribbean in late 2013, chikungunya virus (CHIKV)
has affected 51 countries in the Americas. The CHIKV epidemic in the Americas was …

Background Yellow fever (YF) is endemic in the Brazilian Amazon Basin, and sporadic
outbreaks take place outside the endemic area in Brazil. Since 2016, YF epidemics have been …

Background Yellow fever (YF) is an arboviral disease which is endemic to Brazil due to a
sylvatic transmission cycle maintained by infected mosquito vectors, non-human primate (NHP) …

The spread of Chikungunya virus is a major public health concern in the Americas. There
were> 120,000 cases and 51 deaths in 2023, of which 46 occurred in Paraguay. Using a suite …

The emergence and global dissemination of Severe Acute Respiratory Syndrome virus 2 (SARS-CoV-2)
variants of concern (VOCs) have been described as the main factor driving the …

… GM, Santos RH, de Oliveira EC, Júnior JAC, de Melo Iani FC, de Filippis AMB, de Abreu AL,
de … Luiz Carlos Junior Alcantara and Felipe Campos de Melo Iani contributed equally to this …

INTRODUCTION: To detect dengue virus, eggs of Aedes sp were collected in the city of Belo
Horizonte, Brazil, in 2007. METHODS: Egg samples were subsequently hatched and the …

Dengue virus (DENV) has been a major public health concern in Paraguay, with frequent
outbreaks occurring since early 1988. Although control measures have been implemented, …