Renata Fontanetto

COVID-19

Setbacks in coronavirus drug development

Health agencies are suspending the use of drugs that have lost efficacy against circulating variants of SARS-CoV-2

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Microbiology

Viruses that infect insects increase the ability of Aedes aegypti to transmit diseases to humans

Mosquitoes infected with both PCLV and HTV are three times more likely to carry the dengue virus

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ORNITHOLOGY

Study confirms existence of dwarf hyacinth macaws

Research also defined the growth stages of this bird from the Pantanal, which was once an endangered species

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PALEONTOLOGY

Presence of water diversified vegetation in north and northeast Brazil 115 million years ago

The formation of the South Atlantic Ocean and increased rainfall was responsible for the growth of forests and plains

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