IBOV 174,041.95 ▼ 1.52% IPSA 10,950.74 ▲ 0.31% IPC MEX 66,383.68 ▲ 0.21% MERVAL 3,283,854 ▼ 1.07% COLCAP 2,274.53 ▼ 0.38% BVL PERÚ 58,287.01 — — USD/BRL5.08▼ 0.24% USD/MXN17.49▲ 0.09% USD/CLP 948.45 — 0.00% USD/COP3,218▲ 0.16% USD/PEN3.40▲ 0.13% USD/ARS1,496▲ 0.47% USD/UYU40.14▲ 1.38% USD/PYG6,022▲ 1.26% USD/BOB11.18▲ 4.51% USD/DOP57.99▼ 0.28% USD/CRC449.17▲ 1.76% USD/GTQ7.63▲ 2.33% USD/HNL26.75▲ 0.82% USD/NIO36.62▲ 0.51% USD/VES740.37▼ 0.13% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD157.29▲ 0.11% USD/TTD6.71▲ 0.92% EUR/BRL5.78▲ 0.08% BRENT 96.78 ▼ 3.88% WTI 89.31 ▼ 3.12% IRON ORE 161.91 — — COPPER 6.36 ▲ 0.83% GOLD 4,071 ▲ 0.60% SILVER 58.91 ▲ 1.92% SOY 1,254 ▲ 1.29% CORN 487.25 ▲ 5.01% WHEAT 678.00 ▼ 2.62% COFFEE 298.25 ▼ 3.60% SUGAR 14.76 ▲ 0.48% ORANGE JUICE 142.65 ▼ 2.83% COTTON 79.89 ▲ 0.06% COCOA 5,467 ▲ 3.13% BEEF 222.50 ▼ 1.29% CATTLE 341.45 ▼ 0.68% LITHIUM 67.81 ▼ 1.75% PETR4 42.21 ▼ 1.72% VALE3 75.24 ▼ 0.58% ITUB4 42.10 ▼ 1.08% BBDC4 18.48 ▼ 1.28% ABEV3 15.64 ▼ 1.76% BBAS3 20.35 ▼ 2.77% B3SA3 15.44 ▼ 1.34% WEGE3 45.99 ▲ 0.70% PRIO3 58.82 ▼ 2.84% SUZB3 41.84 ▼ 1.39% RENT3 36.89 ▼ 0.67% AZZA3 16.65 ▼ 2.35% CSAN3 3.80 ▼ 2.56% RAIZ4 0.26 ▼ 3.70% PCAR3 2.79 ▼ 2.79% GMAT3 3.79 ▼ 2.07% PSSA3 54.78 ▼ 0.72% CVCB3 1.34 ▲ 2.29% POSI3 3.55 ▼ 3.27% SLCE3 13.64 ▼ 0.94% NATU3 8.38 ▼ 2.10% BRKM5 6.10 ▼ 1.13% RANI3 7.95 ▲ 0.25% CSNA3 5.36 ▲ 1.13% CMIN3 5.69 ▼ 2.40% USIM5 8.48 ▼ 0.12% GGBR4 24.26 ▲ 0.83% ENEV3 24.90 ▼ 3.11% CPFE3 45.09 ▼ 2.44% CMIG4 10.98 ▼ 1.88% EQTL3 38.34 ▼ 1.74% LREN3 13.27 ▼ 0.75% VIVT3 35.47 ▲ 2.22% RAIL3 13.57 ▼ 2.79% KLABIN 17.52 ▼ 0.79% RAIA DROGASIL 17.98 ▼ 1.15% RDOR3 33.38 ▼ 0.86% HAPV3 9.92 ▼ 5.25% FLRY3 16.26 ▼ 1.93% SMTO3 15.05 ▼ 4.20% UGPA3 32.71 ▼ 2.04% VBBR3 35.10 ▼ 1.40% BBSE3 41.49 ▼ 2.15% BPAC11 54.67 ▼ 2.90% CURY3 29.35 ▼ 0.91% AERI3 2.04 ▲ 0.99% VIVARA 21.42 ▼ 0.14% COMPASS 24.76 ▼ 1.28% VAMOS 3.15 ▼ 1.87% SANB11 26.34 ▼ 1.09% ASAI3 7.85 ▼ 2.12% SBSP3 28.38 ▼ 1.29% WALMEX 48.00 ▲ 1.39% GMEXICO 207.28 ▼ 0.94% FEMSA 221.92 ▼ 0.19% CEMEX 21.18 ▼ 1.40% GFNORTE 193.04 ▲ 2.00% BIMBO 58.26 ▼ 1.39% TELEVISA 9.73 ▼ 0.61% AMX 22.80 ▲ 0.18% GAP 377.44 ▲ 0.26% ASUR 267.99 ▼ 0.69% OMA 226.14 ▼ 0.51% KOF 179.29 ▼ 0.23% GRUMA 268.70 ▼ 0.09% KIMBER 39.70 ▲ 1.10% SQM-B 65,350 ▼ 0.23% COPEC 6,330 ▲ 1.12% BSANTANDER 79.32 ▼ 0.85% FALABELLA 5,990 ▼ 1.12% ENELAM 85.49 ▲ 0.58% CENCOSUD 1,958 ▼ 0.51% CMPC 1,025 ▼ 2.47% BANCO CHILE 193.10 ▲ 1.25% LATAM AIR 23.88 ▲ 1.62% YPF 82,000 ▼ 0.58% GGAL 7,890 ▼ 0.69% PAMPA 5,515 ▼ 2.04% TXAR 675.00 ▼ 0.74% ALUAR 972.00 ▼ 1.07% TGS 9,765 ▼ 2.30% CEPU 2,365 ▼ 2.27% MIRGOR 16,525 ▼ 1.20% COME 42.41 ▼ 0.28% LOMA NEGRA 3,623 ▼ 3.78% BYMA 299.75 ▲ 2.48% TELECOM ARG 4,380 ▲ 1.27% ECOPETROL 16.01 ▼ 1.96% BANCOLOMBIA 86.01 ▼ 0.90% GRUPO AVAL 4.79 ▼ 3.04% CREDICORP 388.77 ▲ 0.29% SOUTHERN COPPER 179.29 ▼ 1.61% BUENAVENTURA 30.91 ▼ 1.31% MERCADOLIBRE 1,801 ▲ 0.15% NUBANK 14.09 ▼ 0.70% XP 16.69 ▼ 0.83% PAGSEGURO 9.20 ▼ 2.75% STONE 10.76 ▼ 2.00% GLOBANT 31.30 — 0.00% TECNOGLASS 45.30 ▲ 3.57% GAP AIRPORT 216.28 ▲ 0.39% ASUR 267.99 ▼ 0.69% OMA AIRPORT 103.43 ▼ 0.68% AMX ADR 26.01 ▲ 0.23% FEMSA ADR 127.12 ▲ 0.03% CEMEX ADR 12.06 ▼ 1.63% PETROBRAS ADR 18.77 ▼ 1.21% VALE ADR 14.79 ▼ 0.27% ITAU ADR 8.28 ▼ 0.84% SANTANDER BR 5.30 ▼ 1.21% AMBEV ADR 3.06 ▼ 0.97% CSN 1.08 ▲ 1.89% GERDAU 4.81 ▲ 0.84% LATAM ADR 50.15 ▲ 0.62% BTC 64,427 ▲ 0.51% ETH 1,878 ▲ 0.97% SOL 74.82 ▲ 1.27% XRP 1.10 ▲ 0.79% BNB 569.82 ▲ 0.97% ADA 0.17 ▲ 0.78% DOGE 0.07 ▲ 3.45% AVAX 6.79 ▲ 7.83% LINK 8.39 ▲ 0.69% DOT 0.82 ▲ 0.95% LTC 46.66 ▲ 0.72% BCH 209.45 ▼ 0.54% TRX 0.33 ▲ 0.19% XLM 0.18 — 0.00% HBAR 0.07 ▼ 0.48% NEAR 1.79 ▼ 0.66% ATOM 1.39 ▼ 0.47% AAVE 92.22 ▼ 0.89% SELIC 14.25% EMBRAER 82.50 ▼ 1.08% EMBRAER ADR 64.93 ▼ 0.82% JBS 12.28 ▲ 1.24% JBS BDR 62.04 ▲ 0.36% MBRF3 14.84 ▼ 4.81% MBRFY 2.94 ▼ 0.34% INTER 5.29 ▼ 3.11% EGX 53,932 ▼ 0.11% USD/ZAR16.82▲ 0.03% USD/NGN1,363▼ 0.44% NIKKEI 64,611 ▼ 2.73% CSI300 4,649 ▼ 1.67% HSI 24,963 ▼ 0.98% NIFTY 23,767 ▼ 0.43% KOSPI 6,691 ▼ 5.72% JCI 6,196 ▼ 1.88% USD/JPY163.79▼ 0.04% USD/CNY6.76▼ 0.15% DAX 25,099 ▲ 1.36% CAC 8,372 ▲ 0.88% FTSE 10,736 ▲ 0.91% MIB 51,802 ▲ 0.95% IBEX 19,585 ▲ 1.65% STOXX 644.51 ▲ 0.82% EUR/USD1.14▼ 0.02% GBP/USD1.33▲ 0.06% SPX 7,412 ▲ 0.05% DJI 51,947 ▲ 0.46% NDX 28,128 ▼ 1.15% RUT 2,930 ▼ 0.35% TSX 35,369 ▲ 0.50% VIX 18.58 ▼ 0.64% USD/CAD1.41— 0.00% US10Y 4.6790 ▼ 0.51% IBOV 174,041.95 ▼ 1.52% IPSA 10,950.74 ▲ 0.31% IPC MEX 66,383.68 ▲ 0.21% MERVAL 3,283,854 ▼ 1.07% COLCAP 2,274.53 ▼ 0.38% BVL PERÚ 58,287.01 — — USD/BRL 5.08 ▼ 0.24% USD/MXN 17.49 ▲ 0.09% USD/CLP 948.45 — 0.00% USD/COP 3,218 ▲ 0.16% USD/PEN 3.40 ▲ 0.13% USD/ARS 1,496 ▲ 0.47% USD/UYU 40.14 ▲ 1.38% USD/PYG 6,022 ▲ 1.26% USD/BOB 11.18 ▲ 4.51% USD/DOP 57.99 ▼ 0.28% USD/CRC 449.17 ▲ 1.76% USD/GTQ 7.63 ▲ 2.33% USD/HNL 26.75 ▲ 0.82% USD/NIO 36.62 ▲ 0.51% USD/VES 740.37 ▲ 0.46% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 157.29 ▲ 0.08% USD/TTD 6.71 ▲ 0.68% EUR/BRL 5.78 ▲ 0.08% BRENT 96.78 ▼ 3.88% WTI 89.31 ▼ 3.12% IRON ORE 161.91 — — COPPER 6.36 ▲ 0.83% GOLD 4,071 ▲ 0.60% SILVER 58.91 ▲ 1.92% SOY 1,254 ▲ 1.29% CORN 487.25 ▲ 5.01% WHEAT 678.00 ▼ 2.62% COFFEE 298.25 ▼ 3.60% SUGAR 14.76 ▲ 0.48% ORANGE JUICE 142.65 ▼ 2.83% COTTON 79.89 ▲ 0.06% COCOA 5,467 ▲ 3.13% BEEF 222.50 ▼ 1.29% CATTLE 341.45 ▼ 0.68% LITHIUM 67.81 ▼ 1.75% PETR4 42.21 ▼ 1.72% VALE3 75.24 ▼ 0.58% ITUB4 42.10 ▼ 1.08% BBDC4 18.48 ▼ 1.28% ABEV3 15.64 ▼ 1.76% BBAS3 20.35 ▼ 2.77% B3SA3 15.44 ▼ 1.34% WEGE3 45.99 ▲ 0.70% PRIO3 58.82 ▼ 2.84% SUZB3 41.84 ▼ 1.39% RENT3 36.89 ▼ 0.67% AZZA3 16.65 ▼ 2.35% CSAN3 3.80 ▼ 2.56% RAIZ4 0.26 ▼ 3.70% PCAR3 2.79 ▼ 2.79% GMAT3 3.79 ▼ 2.07% PSSA3 54.78 ▼ 0.72% CVCB3 1.34 ▲ 2.29% POSI3 3.55 ▼ 3.27% SLCE3 13.64 ▼ 0.94% NATU3 8.38 ▼ 2.10% BRKM5 6.10 ▼ 1.13% RANI3 7.95 ▲ 0.25% CSNA3 5.36 ▲ 1.13% CMIN3 5.69 ▼ 2.40% USIM5 8.48 ▼ 0.12% GGBR4 24.26 ▲ 0.83% ENEV3 24.90 ▼ 3.11% CPFE3 45.09 ▼ 2.44% CMIG4 10.98 ▼ 1.88% EQTL3 38.34 ▼ 1.74% LREN3 13.27 ▼ 0.75% VIVT3 35.47 ▲ 2.22% RAIL3 13.57 ▼ 2.79% KLABIN 17.52 ▼ 0.79% RAIA DROGASIL 17.98 ▼ 1.15% RDOR3 33.38 ▼ 0.86% HAPV3 9.92 ▼ 5.25% FLRY3 16.26 ▼ 1.93% SMTO3 15.05 ▼ 4.20% UGPA3 32.71 ▼ 2.04% VBBR3 35.10 ▼ 1.40% BBSE3 41.49 ▼ 2.15% BPAC11 54.67 ▼ 2.90% CURY3 29.35 ▼ 0.91% AERI3 2.04 ▲ 0.99% VIVARA 21.42 ▼ 0.14% COMPASS 24.76 ▼ 1.28% VAMOS 3.15 ▼ 1.87% SANB11 26.34 ▼ 1.09% ASAI3 7.85 ▼ 2.12% SBSP3 28.38 ▼ 1.29% WALMEX 48.00 ▲ 1.39% GMEXICO 207.28 ▼ 0.94% FEMSA 221.92 ▼ 0.19% CEMEX 21.18 ▼ 1.40% GFNORTE 193.04 ▲ 2.00% BIMBO 58.26 ▼ 1.39% TELEVISA 9.73 ▼ 0.61% AMX 22.80 ▲ 0.18% GAP 377.44 ▲ 0.26% ASUR 267.99 ▼ 0.69% OMA 226.14 ▼ 0.51% KOF 179.29 ▼ 0.23% GRUMA 268.70 ▼ 0.09% KIMBER 39.70 ▲ 1.10% SQM-B 65,350 ▼ 0.23% COPEC 6,330 ▲ 1.12% BSANTANDER 79.32 ▼ 0.85% FALABELLA 5,990 ▼ 1.12% ENELAM 85.49 ▲ 0.58% CENCOSUD 1,958 ▼ 0.51% CMPC 1,025 ▼ 2.47% BANCO CHILE 193.10 ▲ 1.25% LATAM AIR 23.88 ▲ 1.62% YPF 82,000 ▼ 0.58% GGAL 7,890 ▼ 0.69% PAMPA 5,515 ▼ 2.04% TXAR 675.00 ▼ 0.74% ALUAR 972.00 ▼ 1.07% TGS 9,765 ▼ 2.30% CEPU 2,365 ▼ 2.27% MIRGOR 16,525 ▼ 1.20% COME 42.41 ▼ 0.28% LOMA NEGRA 3,623 ▼ 3.78% BYMA 299.75 ▲ 2.48% TELECOM ARG 4,380 ▲ 1.27% ECOPETROL 16.01 ▼ 1.96% BANCOLOMBIA 86.01 ▼ 0.90% GRUPO AVAL 4.79 ▼ 3.04% CREDICORP 388.77 ▲ 0.29% SOUTHERN COPPER 179.29 ▼ 1.61% BUENAVENTURA 30.91 ▼ 1.31% MERCADOLIBRE 1,801 ▲ 0.15% NUBANK 14.09 ▼ 0.70% XP 16.69 ▼ 0.83% PAGSEGURO 9.20 ▼ 2.75% STONE 10.76 ▼ 2.00% GLOBANT 31.30 — 0.00% TECNOGLASS 45.30 ▲ 3.57% GAP AIRPORT 216.28 ▲ 0.39% ASUR 267.99 ▼ 0.69% OMA AIRPORT 103.43 ▼ 0.68% AMX ADR 26.01 ▲ 0.23% FEMSA ADR 127.12 ▲ 0.03% CEMEX ADR 12.06 ▼ 1.63% PETROBRAS ADR 18.77 ▼ 1.21% VALE ADR 14.79 ▼ 0.27% ITAU ADR 8.28 ▼ 0.84% SANTANDER BR 5.30 ▼ 1.21% AMBEV ADR 3.06 ▼ 0.97% CSN 1.08 ▲ 1.89% GERDAU 4.81 ▲ 0.84% LATAM ADR 50.15 ▲ 0.62% BTC 64,427 ▲ 0.51% ETH 1,878 ▲ 0.97% SOL 74.82 ▲ 1.27% XRP 1.10 ▲ 0.79% BNB 569.82 ▲ 0.97% ADA 0.17 ▲ 0.78% DOGE 0.07 ▲ 3.45% AVAX 6.79 ▲ 7.83% LINK 8.39 ▲ 0.69% DOT 0.82 ▲ 0.95% LTC 46.66 ▲ 0.72% BCH 209.45 ▼ 0.54% TRX 0.33 ▲ 0.19% XLM 0.18 — 0.00% HBAR 0.07 ▼ 0.48% NEAR 1.79 ▼ 0.66% ATOM 1.39 ▼ 0.47% AAVE 92.22 ▼ 0.89% SELIC 14.25% EMBRAER 82.50 ▼ 1.08% EMBRAER ADR 64.93 ▼ 0.82% JBS 12.28 ▲ 1.24% JBS BDR 62.04 ▲ 0.36% MBRF3 14.84 ▼ 4.81% MBRFY 2.94 ▼ 0.34% INTER 5.29 ▼ 3.11% EGX 53,932 ▼ 0.11% USD/ZAR 16.82 ▲ 0.04% USD/NGN 1,363 ▼ 0.24% NIKKEI 64,611 ▼ 2.73% CSI300 4,649 ▼ 1.67% HSI 24,963 ▼ 0.98% NIFTY 23,767 ▼ 0.43% KOSPI 6,691 ▼ 5.72% JCI 6,196 ▼ 1.88% USD/JPY 163.79 ▲ 0.02% USD/CNY 6.7617 ▼ 0.07% DAX 25,099 ▲ 1.36% CAC 8,372 ▲ 0.88% FTSE 10,736 ▲ 0.91% MIB 51,802 ▲ 0.95% IBEX 19,585 ▲ 1.65% STOXX 644.51 ▲ 0.82% EUR/USD 1.1375 ▼ 0.06% GBP/USD 1.3321 ▲ 0.04% SPX 7,412 ▲ 0.05% DJI 51,947 ▲ 0.46% NDX 28,128 ▼ 1.15% RUT 2,930 ▼ 0.35% TSX 35,369 ▲ 0.50% VIX 18.58 ▼ 0.64% USD/CAD 1.4092 ▲ 0.09% US10Y 4.6790 ▼ 0.51%
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Sunday, July 26, 2026

The 1904 Rio Vaccine Revolt

By · April 9, 2020 · 3 min read

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RIO DE JANEIRO, BRAZIL – In the late 1800s and early 1900s, Rio de Janeiro was a wealthy city, but was beset by relatively frequent outbreaks of deadly diseases, principally yellow fever, smallpox and even bubonic plague.

In addition to these periodic surges, there was the constant presence of tuberculosis, measles, typhus and leprosy. For these reasons, President Rodrigues Alves gave extraordinary powers to the local government and health authorities of what was then Brazil’s capital to reduce infection in the city.

In the late 1800s and early 1900s, Rio de Janeiro was a wealthy city but beset by relatively frequent outbreaks of deadly diseases, principally yellow fever, smallpox and even bubonic plague.
In the late 1800s and early 1900s, Rio de Janeiro was a wealthy city but beset by relatively frequent outbreaks of deadly diseases, principally yellow fever, smallpox and even bubonic plague. (Photo internet reproduction)
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Some of the measures enacted included mass demolition of residential buildings in Rio’s centre, forcing thousands of poor Cariocas from their cortiços (tenement slums). In addition to this, anti-mosquito squads forcibly entered people’s homes to try to eliminate yellow fever transmitting mosquitoes. Notwithstanding their effectiveness, these actions were deeply unpopular with many ordinary Rio residents.

The final straw occurred on October 31st 1904, when Dr Oswaldo Cruz convinced parliament to pass a comulsory vaccine law, which meant that medical officials could enter people’s homes with the police in order to administer the smallpox vaccine by force.

In addition to the grievances listed above, and the attack on individual freedom, there were also false rumours spread that the vaccine harmed health and would have to be administered to the privates parts of individuals.

Discontent grew, and on November 5th, an anti-mandatory vaccination league was formed. Then, on November 10th, some of this group had a dispute with the police’this then descended into more than a week of violence and rioting.

Trams were overturned and set alight, shops looted, public amenities destroyed, and violence broke out between citizens and the armed forces. There was even almost a coup attempt as some cadet troops mutinied.

However, by revoking mandatory vaccination and declaring a state of siege, the Brazilian government managed to control the situation, and by November 18th the Revolt of the Vaccine was over. Thirty people were killed, 100 injured and around 1,000 arrested, about half of which were forcibly deported to Acre, then a remote federal territory.

Tragically, and somewhat predictably, smallpox then returned to Rio, with a deadly outbreak in 1908, which killed between 6,000 -10,000 Cariocas. The following year, mandatory vaccination was reintroduced and the process of smallpox’s elimination continued, which eventually led to the 1980 declaration by the World Health Organization (WHO) that the illness had been eradicated.

The 1904 Vaccine Revolt occurred in a situation very different from that of modern Brazil in the era of Covid-19. However, the conflict between individual liberty and public health remains, with many questioning to what degree government should be able to restrict individual freedom to combat the novel coronavirus.

Fortunately only a minority — which we also see nowadays — were questioning basic scientific and health facts. Determining the best way for governments to navigate this delicate situation is still an open question.

President Alves could perhaps have had more success if he’d implemented his vaccination program more sensitively, and thousands of lives could have been saved if this was done correctly.

However, when it comes to Covid-19 or the modern anti-vaccination movement, the question remains open as to whether any emergency health measure can work without a degree of legal coercion. Over the coming months, we will have another example to add to the long historical record.

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