News & Perspective

Mar 05, 2019

Mar 05, 2019
Mom and baby with microcephaly

Study highlights early pregnancy Zika microcephaly risk

Zika infection in early pregnancy raise the risk of microcephaly 17 times, the study says.

Feb 07, 2019

Feb 07, 2019
Brazil favela

Study: Dengue immunity may have offered protection against Zika in Brazil

Partial protection from earlier dengue exposure in the favela population might explain Zika's quick decline there.

Jan 18, 2019

Jan 18, 2019
Plasmodium in bloodstream

New one-dose drug prevents malaria relapse, studies show

A total of 62.4% of patients taking tafenoquine were free of P vivax after 6 months.

Dec 14, 2018

Dec 14, 2018
Aedes aegypti mosquito

Studies on transmission, vaccine bring focus back to Zika

Sexual partners of case-patients were 2.2 times more likely to contract Zika than other contacts

Apr 25, 2018

Apr 25, 2018
Sleeping baby in Brazil

Congenital Zika syndrome strongly linked to seizures

Also, in a study involving macaques, Zika virus caused fetal death, and monoclonal antibodies proved ineffective.

Mar 21, 2018

Mar 21, 2018
Yellow fever vaccine

Brazil calls for entire nation to get yellow fever vaccine

The vaccination campaign will aim to reach 78 million Brazilians by 2019.

Mar 14, 2018

Mar 14, 2018
Mother and newborn

Study: 7% risk of birth defects in Zika pregnancies

In 3 similar recent studies of different populations, the rates of microcephaly have been similar: 3.4% to 5.8%.

Feb 28, 2018

Feb 28, 2018
Rio de Janeiro aerial view

Brazilian yellow fever cases circle major cities

The outbreak is centered in Rio de Janeiro, Sao Paulo, and Minas Gerais states, with many cases near big cities.

Feb 19, 2018

Feb 19, 2018
Aedes albopictus mosquito

South America records most yellow fever cases in decades

Brazil has confirmed almost 1,000 human cases since July 2016, and cases in animals have doubled.

Feb 08, 2018

Feb 08, 2018
Brazil from space

Yellow fever in Brazil shows another sharp rise

Cases are now at 353, an increase of 140 cases from the previous week.

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