IBOV 177,866 ▲ 2.97% IPSA 11,057 ▲ 0.28% IPC MEX 66,496 ▲ 0.59% MERVAL 3,280,224 ▲ 2.43% COLCAP 2,307.67 ▲ 0.65% BVL PERÚ 56,194.27 ▲ 1.29% USD/BRL5.11▼ 0.17% USD/MXN17.46▼ 0.49% USD/CLP923.90▼ 0.41% USD/COP3,240▼ 3.09% USD/PEN3.39▼ 0.31% USD/ARS1,487▼ 0.03% USD/UYU40.22▲ 1.20% USD/PYG6,055▲ 1.53% USD/BOB10.14▲ 4.01% USD/DOP58.48▼ 0.12% USD/CRC448.82▲ 1.40% USD/GTQ7.63▲ 2.28% USD/HNL26.72▲ 1.50% USD/NIO36.62▲ 0.23% USD/VES707.92▼ 0.13% USD/PAB1.00— 0.00% USD/BZD2.00— 0.00% USD/JMD158.07▲ 0.80% USD/TTD6.75▲ 1.32% EUR/BRL5.83▼ 1.07% BRENT 76.01 ▼ 0.38% WTI 71.41 ▼ 0.93% IRON ORE 161.91 — — COPPER 6.28 ▲ 1.08% GOLD 4,114 ▼ 0.41% SILVER 60.17 ▼ 0.35% SOY 1,191 ▲ 0.93% CORN 461.00 ▲ 7.77% WHEAT 640.25 ▲ 4.74% COFFEE 318.60 ▼ 10.74% SUGAR 14.86 ▼ 1.72% ORANGE JUICE 143.25 ▼ 4.44% COTTON 80.87 ▲ 6.18% COCOA 6,100 ▼ 3.31% BEEF 235.20 ▼ 0.02% CATTLE 354.60 ▼ 0.44% LITHIUM 72.32 ▼ 0.69% PETR4 39.65 ▲ 1.12% VALE3 74.18 ▲ 1.41% ITUB4 44.30 ▲ 4.02% BBDC4 18.86 ▲ 4.78% ABEV3 15.82 ▲ 0.64% BBAS3 20.58 ▲ 2.90% B3SA3 15.42 ▲ 4.26% WEGE3 46.51 ▲ 1.68% PRIO3 55.45 ▼ 0.29% SUZB3 41.55 ▲ 1.27% RENT3 41.10 ▲ 4.31% AZZA3 19.10 ▲ 3.47% CSAN3 4.07 ▲ 5.44% RAIZ4 0.35 ▼ 5.41% PCAR3 2.73 ▼ 1.09% GMAT3 3.97 ▲ 1.02% PSSA3 54.97 ▲ 3.04% CVCB3 1.25 — 0.00% POSI3 3.97 ▲ 3.12% SLCE3 14.02 ▲ 1.67% NATU3 8.68 ▲ 2.60% BRKM5 6.63 ▲ 4.25% RANI3 8.01 ▲ 1.91% CSNA3 5.18 ▲ 7.92% CMIN3 5.23 ▲ 8.28% USIM5 8.45 ▲ 1.20% GGBR4 23.01 ▲ 2.36% ENEV3 27.55 ▲ 5.15% CPFE3 47.87 ▲ 3.41% CMIG4 11.38 ▲ 2.71% EQTL3 40.91 ▲ 3.54% LREN3 14.62 ▲ 3.32% VIVT3 35.75 ▲ 3.62% RAIL3 14.36 ▲ 4.44% KLABIN 17.54 ▲ 0.80% RAIA DROGASIL 18.77 ▲ 3.53% RDOR3 36.02 ▲ 2.48% HAPV3 10.60 ▲ 5.26% FLRY3 16.42 ▲ 4.25% SMTO3 16.37 ▲ 1.99% UGPA3 30.71 ▲ 2.03% VBBR3 33.00 ▲ 2.80% BBSE3 40.35 ▲ 2.72% BPAC11 58.73 ▲ 5.48% CURY3 34.21 ▲ 4.62% AERI3 2.09 ▲ 1.46% VIVARA 23.53 ▲ 4.21% COMPASS 25.50 ▲ 3.32% VAMOS 3.06 ▲ 3.38% SANB11 27.62 ▲ 5.22% ASAI3 8.87 ▲ 4.85% SBSP3 31.11 ▲ 3.70% WALMEX 49.31 ▲ 0.59% GMEXICO 198.62 ▲ 1.68% FEMSA 223.20 ▲ 0.37% CEMEX 21.82 ▲ 0.51% GFNORTE 186.51 ▲ 0.63% BIMBO 56.06 ▲ 0.23% TELEVISA 9.74 ▲ 2.63% AMX 22.70 ▲ 0.27% GAP 412.01 ▼ 0.41% ASUR 285.12 ▲ 0.53% OMA 235.73 ▼ 0.95% KOF 182.08 ▲ 0.65% GRUMA 282.99 ▲ 0.14% KIMBER 38.13 ▼ 0.81% SQM-B 67,750 ▼ 1.95% COPEC 6,139 ▲ 1.98% BSANTANDER 79.00 ▲ 1.94% FALABELLA 5,905 ▲ 0.92% ENELAM 85.40 ▲ 1.47% CENCOSUD 2,045 ▼ 0.55% CMPC 1,109 ▲ 1.32% BANCO CHILE 188.88 ▲ 1.01% LATAM AIR 26.26 ▼ 0.53% YPF 74,450 ▼ 1.75% GGAL 8,350 ▲ 5.96% PAMPA 5,185 ▼ 0.38% TXAR 671.00 ▲ 0.98% ALUAR 978.00 ▲ 0.98% TGS 9,610 ▲ 3.22% CEPU 2,405 ▲ 3.89% MIRGOR 17,375 ▲ 1.02% COME 45.90 ▲ 1.06% LOMA NEGRA 3,583 ▲ 2.43% BYMA 314.00 ▲ 1.37% TELECOM ARG 4,248 ▲ 3.09% ECOPETROL 15.59 ▲ 1.27% BANCOLOMBIA 82.95 ▲ 2.50% GRUPO AVAL 5.08 ▲ 1.20% CREDICORP 400.81 ▲ 2.27% SOUTHERN COPPER 175.83 ▲ 0.80% BUENAVENTURA 30.00 ▲ 1.52% MERCADOLIBRE 1,852 ▲ 2.46% NUBANK 13.76 ▲ 0.66% XP 16.92 ▲ 3.11% PAGSEGURO 9.25 ▲ 2.78% STONE 11.21 ▲ 2.28% GLOBANT 29.96 ▼ 4.25% TECNOGLASS 43.90 ▲ 1.76% GAP AIRPORT 235.64 ▲ 0.50% ASUR 285.12 ▲ 0.53% OMA AIRPORT 108.09 ▼ 0.22% AMX ADR 26.04 ▲ 0.77% FEMSA ADR 127.70 ▲ 0.55% CEMEX ADR 12.48 ▲ 0.89% PETROBRAS ADR 17.32 ▲ 1.70% VALE ADR 14.46 ▲ 1.69% ITAU ADR 8.62 ▲ 4.11% SANTANDER BR 5.39 ▲ 4.86% AMBEV ADR 3.07 ▲ 0.99% CSN 1.01 ▲ 5.79% GERDAU 4.50 ▲ 2.04% LATAM ADR 56.45 ▼ 1.03% BTC 64,280 ▲ 0.24% ETH 1,824 ▲ 1.57% SOL 78.00 ▼ 0.09% XRP 1.12 ▲ 1.26% BNB 580.95 ▲ 1.03% ADA 0.17 ▲ 3.05% DOGE 0.08 ▲ 1.81% AVAX 6.76 ▲ 0.34% LINK 8.09 ▲ 1.62% DOT 0.88 ▲ 0.30% LTC 45.29 ▲ 1.20% BCH 249.29 ▲ 1.64% TRX 0.33 ▲ 0.19% XLM 0.19 ▲ 0.48% HBAR 0.07 ▼ 0.57% NEAR 1.90 ▲ 0.44% ATOM 1.60 ▲ 0.98% AAVE 100.78 ▲ 5.26% SELIC 14.25% EMBRAER 84.60 ▲ 0.88% EMBRAER ADR 66.01 ▲ 0.72% JBS 11.91 ▲ 1.53% JBS BDR 60.78 ▲ 1.22% MBRF3 15.55 ▲ 0.91% MBRFY 2.97 ▼ 1.00% INTER 5.82 ▲ 1.93% IBOV 177,866 ▲ 2.97% IPSA 11,057 ▲ 0.28% IPC MEX 66,496 ▲ 0.59% MERVAL 3,280,224 ▲ 2.43% COLCAP 2,307.67 ▲ 0.65% BVL PERÚ 56,194.27 ▲ 1.29% USD/BRL 5.11 ▼ 0.17% USD/MXN 17.46 ▼ 0.49% USD/CLP 923.90 ▼ 0.41% USD/COP 3,240 ▼ 3.09% USD/PEN 3.39 ▼ 0.31% USD/ARS 1,487 ▼ 0.03% USD/UYU 40.22 ▲ 1.20% USD/PYG 6,055 ▲ 1.53% USD/BOB 10.14 ▲ 4.01% USD/DOP 58.48 ▼ 0.12% USD/CRC 448.82 ▲ 1.40% USD/GTQ 7.63 ▲ 2.28% USD/HNL 26.72 ▲ 1.50% USD/NIO 36.62 ▲ 0.23% USD/VES 707.92 ▼ 0.13% USD/PAB 1.00 — 0.00% USD/BZD 2.00 — 0.00% USD/JMD 158.07 ▲ 0.39% USD/TTD 6.75 ▲ 1.44% EUR/BRL 5.83 ▼ 1.07% BRENT 76.01 ▼ 0.38% WTI 71.41 ▼ 0.93% IRON ORE 161.91 — — COPPER 6.28 ▲ 1.08% GOLD 4,114 ▼ 0.41% SILVER 60.17 ▼ 0.35% SOY 1,191 ▲ 0.93% CORN 461.00 ▲ 7.77% WHEAT 640.25 ▲ 4.74% COFFEE 318.60 ▼ 10.74% SUGAR 14.86 ▼ 1.72% ORANGE JUICE 143.25 ▼ 4.44% COTTON 80.87 ▲ 6.18% COCOA 6,100 ▼ 3.31% BEEF 235.20 ▼ 0.02% CATTLE 354.60 ▼ 0.44% LITHIUM 72.32 ▼ 0.69% PETR4 39.65 ▲ 1.12% VALE3 74.18 ▲ 1.41% ITUB4 44.30 ▲ 4.02% BBDC4 18.86 ▲ 4.78% ABEV3 15.82 ▲ 0.64% BBAS3 20.58 ▲ 2.90% B3SA3 15.42 ▲ 4.26% WEGE3 46.51 ▲ 1.68% PRIO3 55.45 ▼ 0.29% SUZB3 41.55 ▲ 1.27% RENT3 41.10 ▲ 4.31% AZZA3 19.10 ▲ 3.47% CSAN3 4.07 ▲ 5.44% RAIZ4 0.35 ▼ 5.41% PCAR3 2.73 ▼ 1.09% GMAT3 3.97 ▲ 1.02% PSSA3 54.97 ▲ 3.04% CVCB3 1.25 — 0.00% POSI3 3.97 ▲ 3.12% SLCE3 14.02 ▲ 1.67% NATU3 8.68 ▲ 2.60% BRKM5 6.63 ▲ 4.25% RANI3 8.01 ▲ 1.91% CSNA3 5.18 ▲ 7.92% CMIN3 5.23 ▲ 8.28% USIM5 8.45 ▲ 1.20% GGBR4 23.01 ▲ 2.36% ENEV3 27.55 ▲ 5.15% CPFE3 47.87 ▲ 3.41% CMIG4 11.38 ▲ 2.71% EQTL3 40.91 ▲ 3.54% LREN3 14.62 ▲ 3.32% VIVT3 35.75 ▲ 3.62% RAIL3 14.36 ▲ 4.44% KLABIN 17.54 ▲ 0.80% RAIA DROGASIL 18.77 ▲ 3.53% RDOR3 36.02 ▲ 2.48% HAPV3 10.60 ▲ 5.26% FLRY3 16.42 ▲ 4.25% SMTO3 16.37 ▲ 1.99% UGPA3 30.71 ▲ 2.03% VBBR3 33.00 ▲ 2.80% BBSE3 40.35 ▲ 2.72% BPAC11 58.73 ▲ 5.48% CURY3 34.21 ▲ 4.62% AERI3 2.09 ▲ 1.46% VIVARA 23.53 ▲ 4.21% COMPASS 25.50 ▲ 3.32% VAMOS 3.06 ▲ 3.38% SANB11 27.62 ▲ 5.22% ASAI3 8.87 ▲ 4.85% SBSP3 31.11 ▲ 3.70% WALMEX 49.31 ▲ 0.59% GMEXICO 198.62 ▲ 1.68% FEMSA 223.20 ▲ 0.37% CEMEX 21.82 ▲ 0.51% GFNORTE 186.51 ▲ 0.63% BIMBO 56.06 ▲ 0.23% TELEVISA 9.74 ▲ 2.63% AMX 22.70 ▲ 0.27% GAP 412.01 ▼ 0.41% ASUR 285.12 ▲ 0.53% OMA 235.73 ▼ 0.95% KOF 182.08 ▲ 0.65% GRUMA 282.99 ▲ 0.14% KIMBER 38.13 ▼ 0.81% SQM-B 67,750 ▼ 1.95% COPEC 6,139 ▲ 1.98% BSANTANDER 79.00 ▲ 1.94% FALABELLA 5,905 ▲ 0.92% ENELAM 85.40 ▲ 1.47% CENCOSUD 2,045 ▼ 0.55% CMPC 1,109 ▲ 1.32% BANCO CHILE 188.88 ▲ 1.01% LATAM AIR 26.26 ▼ 0.53% YPF 74,450 ▼ 1.75% GGAL 8,350 ▲ 5.96% PAMPA 5,185 ▼ 0.38% TXAR 671.00 ▲ 0.98% ALUAR 978.00 ▲ 0.98% TGS 9,610 ▲ 3.22% CEPU 2,405 ▲ 3.89% MIRGOR 17,375 ▲ 1.02% COME 45.90 ▲ 1.06% LOMA NEGRA 3,583 ▲ 2.43% BYMA 314.00 ▲ 1.37% TELECOM ARG 4,248 ▲ 3.09% ECOPETROL 15.59 ▲ 1.27% BANCOLOMBIA 82.95 ▲ 2.50% GRUPO AVAL 5.08 ▲ 1.20% CREDICORP 400.81 ▲ 2.27% SOUTHERN COPPER 175.83 ▲ 0.80% BUENAVENTURA 30.00 ▲ 1.52% MERCADOLIBRE 1,852 ▲ 2.46% NUBANK 13.76 ▲ 0.66% XP 16.92 ▲ 3.11% PAGSEGURO 9.25 ▲ 2.78% STONE 11.21 ▲ 2.28% GLOBANT 29.96 ▼ 4.25% TECNOGLASS 43.90 ▲ 1.76% GAP AIRPORT 235.64 ▲ 0.50% ASUR 285.12 ▲ 0.53% OMA AIRPORT 108.09 ▼ 0.22% AMX ADR 26.04 ▲ 0.77% FEMSA ADR 127.70 ▲ 0.55% CEMEX ADR 12.48 ▲ 0.89% PETROBRAS ADR 17.32 ▲ 1.70% VALE ADR 14.46 ▲ 1.69% ITAU ADR 8.62 ▲ 4.11% SANTANDER BR 5.39 ▲ 4.86% AMBEV ADR 3.07 ▲ 0.99% CSN 1.01 ▲ 5.79% GERDAU 4.50 ▲ 2.04% LATAM ADR 56.45 ▼ 1.03% BTC 64,280 ▲ 0.24% ETH 1,824 ▲ 1.57% SOL 78.00 ▼ 0.09% XRP 1.12 ▲ 1.26% BNB 580.95 ▲ 1.03% ADA 0.17 ▲ 3.05% DOGE 0.08 ▲ 1.81% AVAX 6.76 ▲ 0.34% LINK 8.09 ▲ 1.62% DOT 0.88 ▲ 0.30% LTC 45.29 ▲ 1.20% BCH 249.29 ▲ 1.64% TRX 0.33 ▲ 0.19% XLM 0.19 ▲ 0.48% HBAR 0.07 ▼ 0.57% NEAR 1.90 ▲ 0.44% ATOM 1.60 ▲ 0.98% AAVE 100.78 ▲ 5.26% SELIC 14.25% EMBRAER 84.60 ▲ 0.88% EMBRAER ADR 66.01 ▲ 0.72% JBS 11.91 ▲ 1.53% JBS BDR 60.78 ▲ 1.22% MBRF3 15.55 ▲ 0.91% MBRFY 2.97 ▼ 1.00% INTER 5.82 ▲ 1.93%
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Saturday, July 11, 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.

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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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