List Of Major Epidemics That India Faced: From Smallpox To COVID-19

Major Epidemics in India:  India has experienced many deadly epidemics and pandemics over the years. These epidemics majorly impacted public health policies, affected millions of lives, and had long-term social and economic strain on the nation. Some of these deadly diseases have repeatedly tested India's public health systems and resilience, which later on led to important advances in the nation of billions healthcare system, vaccination advancement, and emergency response infrastructure. To know more, here’s a list of major epidemics faced by India. 

List Of Major Epidemics That India Faced: 

1. Plague Epidemic (1896–1939)

The Third Plague Pandemic began in the late 19th century and devastated India to the core. Plague was the cause of an estimated more than 12 million deaths, with 1.2 million deaths in 1907 alone, as per statista report. The epidemic led to major public health reforms, including the introduction of vaccines and hospitalisation, and even slum clearance and urban improvement schemes.

2. Spanish Flu (Influenza Pandemic) (1918–1919)

The H1N1 flu pandemic, also called the Spanish Flu, resulted in an estimated 12–18 million deaths in India, one of the deadliest pandemics in recorded history. The epidemic began in Bombay and swept across the country at a very fast pace, fueled by returning World War I soldiers and unsanitary living conditions.

3. Smallpox Epidemic (1974)

Smallpox were common in India, with a large outbreak in 1974. It was responsible for massive morbidity and mortality until an effective vaccination drive, which made India smallpox-free by 1977. Smallpox was declared eradicated worldwide by the World Health Organisation in 1980.

4. Polio Epidemic (1970–1990)

Polio was endemic in India, with children being the common victims and resulting in paralysis. Comprehensive immunisation drives finally eradicated polio, and India was declared polio-free in 2011.

5. Surat Plague (1994)

In 1994, pneumonic and bubonic plague broke out in Surat, Gujarat, spreading panic, mass migration, and more than 50 fatalities. The major causes were poor sanitation and rapid urbanisation. The outbreak highlighted the importance of improved urban health infrastructure.

6. Dengue Epidemics (2003, 2006)

Dengue outbreaks have also become very frequent, with large-scale epidemics in Delhi (2003) and Ahmedabad (2006). Stagnant water and poor sanitation allowed breeding of mosquitoes, leading to thousands of cases with high mortality.

7. Chikungunya Outbreak (2006)

Chikungunya, a viral disease transmitted by mosquitoes, led to a large outbreak in 2006, starting from Ahmedabad and later spreading to southern states. The epidemic was characterised by high fever and pains in the joints, infecting thousands.

8. H1N1 Swine Flu (2009, 2015)

The H1N1 flu pandemic hit India in 2009 and again in 2014–15. It caused thousands of cases and fatalities. Outbreaks were marked by quick transmission and high morbidity, particularly in urban areas.

9. Nipah Virus Outbreak (2018)

The Nipah virus epidemic in Kerala in 2018 traced back to fruit bats. Swift government reaction and public health interventions, which contained the outbreak to a few dozen cases, however, the high case fatality rate sparked alarm.

10. COVID-19 Pandemic (2020–2024)

The pandemic of COVID-19, due to the new coronavirus SARS-CoV-2 has been the worst health emergency in recent times. India had more than 40 million cases and over 500,000 deaths. The pandemic put a strain on health infrastructure, affected livelihoods, and resulted in countrywide lockdowns.

Major Epidemics in India Since the 20th Century: 

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