IBOV 172,457.76 ▲ 0.66% IPC MEX 71,204.98 ▼ 0.84% MERVAL 2,848,945 — — USD/BRL5.67▲ 0.45% USD/MXN18.52▼ 0.42% USD/CLP994.16▼ 0.13% USD/COP3,302▲ 0.70% USD/PEN3.40▼ 0.16% USD/ARS1,544▼ 0.11% USD/UYU40.59▲ 2.33% USD/PYG6,196▲ 2.33% USD/BOB11.59▼ 0.37% USD/DOP60.59▲ 1.85% USD/CRC442.74▼ 0.10% USD/GTQ7.64▲ 2.06% USD/HNL26.91▲ 2.15% USD/NIO 36.62 — 0.00% USD/VES909.35▼ 0.13% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD157.69▲ 1.39% USD/TTD6.75▲ 1.58% EUR/BRL6.25▲ 0.93% BRENT 95.84 ▲ 0.02% WTI 88.56 ▼ 0.20% IRON ORE 161.91 — — COPPER 6.09 ▼ 1.50% GOLD 3,886 ▲ 0.03% SILVER 49.12 ▼ 1.70% SOY 1,232 ▲ 0.37% CORN 445.50 ▲ 0.68% WHEAT 593.25 ▲ 1.54% COFFEE 279.25 ▼ 0.34% SUGAR 18.40 ▲ 0.99% ORANGE JUICE 136.85 ▼ 2.91% COTTON 79.02 ▲ 0.44% COCOA 5,123 ▲ 1.13% BEEF 224.80 ▲ 2.70% CATTLE 335.35 ▼ 0.10% LITHIUM 58.76 ▼ 1.13% PETR4 45.30 ▲ 1.34% VALE3 63.50 ▼ 0.70% ITUB4 42.27 ▲ 1.42% BBDC4 14.52 ▲ 1.40% ABEV3 15.79 ▲ 0.25% BBAS3 15.10 ▼ 2.45% B3SA3 14.89 ▲ 0.88% WEGE3 51.31 ▼ 0.66% PRIO3 63.30 — 0.00% SUZB3 54.77 ▼ 2.27% RENT3 30.07 ▲ 1.66% AZZA3 15.91 ▼ 5.86% CSAN3 3.10 ▲ 8.77% RAIZ4 20.00 — 0.00% PCAR3 2.56 ▲ 7.11% GMAT3 4.25 ▲ 10.68% PSSA3 46.41 ▲ 1.02% CVCB3 0.83 ▼ 1.19% POSI3 3.15 ▼ 6.53% SLCE3 18.28 ▼ 0.44% NATU3 5.13 ▼ 3.75% BRKM5 3.02 ▼ 1.63% RANI3 8.18 — 0.00% CSNA3 3.72 ▼ 12.06% IBOV 172,457.76 ▲ 0.66% IPC MEX 71,204.98 ▼ 0.84% MERVAL 2,848,945 — — USD/BRL 5.67 ▲ 0.45% USD/MXN 18.52 ▼ 0.42% USD/CLP 994.16 ▼ 0.13% USD/COP 3,302 ▲ 0.70% USD/PEN 3.40 ▼ 0.16% USD/ARS 1,544 ▼ 0.11% USD/UYU 40.59 ▲ 2.33% USD/PYG 6,196 ▲ 2.33% USD/BOB 11.59 ▼ 0.37% USD/DOP 60.59 ▲ 1.85% USD/CRC 442.74 ▼ 0.10% USD/GTQ 7.64 ▲ 2.06% USD/HNL 26.91 ▲ 2.15% USD/NIO 36.62 — 0.00% USD/VES 909.35 ▼ 0.13% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 157.69 ▲ 1.39% USD/TTD 6.75 ▲ 1.58% EUR/BRL 6.25 ▲ 0.93% BRENT 95.84 ▲ 0.02% WTI 88.56 ▼ 0.20% IRON ORE 161.91 — — COPPER 6.09 ▼ 1.50% GOLD 3,886 ▲ 0.03% SILVER 49.12 ▼ 1.70% SOY 1,232 ▲ 0.37% CORN 445.50 ▲ 0.68% WHEAT 593.25 ▲ 1.54% COFFEE 279.25 ▼ 0.34% SUGAR 18.40 ▲ 0.99% ORANGE JUICE 136.85 ▼ 2.91% COTTON 79.02 ▲ 0.44% COCOA 5,123 ▲ 1.13% BEEF 224.80 ▲ 2.70% CATTLE 335.35 ▼ 0.10% LITHIUM 58.76 ▼ 1.13% PETR4 45.30 ▲ 1.34% VALE3 63.50 ▼ 0.70% ITUB4 42.27 ▲ 1.42% BBDC4 14.52 ▲ 1.40% ABEV3 15.79 ▲ 0.25% BBAS3 15.10 ▼ 2.45% B3SA3 14.89 ▲ 0.88% WEGE3 51.31 ▼ 0.66% PRIO3 63.30 — 0.00% SUZB3 54.77 ▼ 2.27% RENT3 30.07 ▲ 1.66% AZZA3 15.91 ▼ 5.86% CSAN3 3.10 ▲ 8.77% RAIZ4 20.00 — 0.00% PCAR3 2.56 ▲ 7.11% GMAT3 4.25 ▲ 10.68% PSSA3 46.41 ▲ 1.02% CVCB3 0.83 ▼ 1.19% POSI3 3.15 ▼ 6.53% SLCE3 18.28 ▼ 0.44% NATU3 5.13 ▼ 3.75% BRKM5 3.02 ▼ 1.63% RANI3 8.18 — 0.00% CSNA3 3.72 ▼ 12.06%
since 2009
Sunday, November 15, 2026

Society Life & Society

Rio University Discovers Mayaro Virus Plaguing the Country’s Southeast

By · · 2 min read

By Contributing Reporter

RIO DE JANEIRO, BRAZIL – A new threat to public health haunts the state of Rio de Janeiro: scientists at the Federal University of Rio de Janeiro (UFRJ) have discovered that a virus with symptoms similar to those of the Chikungunya virus may precipitate an epidemic in the Southeast.

Laboratory tests have shown that the virus can be transmitted by both the Aedes mosquito and the common mosquito (Culex).
Laboratory tests have shown that the virus can be transmitted by both the Aedes mosquito and the common mosquito (Culex). (Photo Alamy)
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Both have similar characteristics, such as disablingly intense joint pains that last for months. There is no vaccine nor any specific treatment.

Laboratory tests have shown that the Mayaro virus can be transmitted by both the Aedes mosquito and the common mosquito (Culex).

According to Amílcar Tanuri, coordinator of the Laboratory of Molecular Virology at UFRJ, where the study was carried out, this increases the risk of an epidemic.

Mistaken for Chikungunya, Mayaro has been present in Rio since 2016. Additionally, the gravity of the discovery lies in the fact that the cases are autochthonous, meaning the victims were infected here, rather than in other locations. To date, three cases are known, all from Niterói.

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