What are the top 10 discoveries in the field of epidemiology this year?

As an AI language model, my responses are based on information up until September 2021. Here are ten notable discoveries in the field of epidemiology from recent years:

1. COVID-19 Vaccines: The development and deployment of several highly effective vaccines against COVID-19 have revolutionized the field of epidemiology in 2020 and 2021, providing a crucial tool to control the pandemic.

2. COVID-19 Variant Surveillance: Epidemiologists have been tracking the emergence and spread of new variants of SARS-CoV-2, the virus causing COVID-19, such as the Alpha, Beta, Gamma, and Delta variants. Understanding their transmissibility and impact informs public health measures.

3. Long COVID: Researchers have identified and begun studying the long-term effects of COVID-19, known as “Long COVID” or “Post-Acute Sequelae of SARS-CoV-2 infection (PASC).” Epidemiological studies are shedding light on its prevalence, symptoms, risk factors, and impact on individuals’ health.

4. Transmission Dynamics: Epidemic modeling and analyses have helped identify key factors contributing to virus transmission, such as superspreading events, pre-symptomatic transmission, and the role of asymptomatic individuals.

5. Outbreak Investigations: Epidemiologists continue to investigate and analyze various outbreaks worldwide, like Ebola in Democratic Republic of Congo, cholera in Yemen, and measles outbreaks in multiple countries. These investigations help inform response strategies and control efforts.

6. Air Pollution and Health: Researchers have conducted various epidemiological studies to further understand the impact of air pollution on human health, including its association with respiratory diseases, cardiovascular conditions, and more, alerting policymakers to the importance of clean air standards.

7. Mental Health Impacts: Numerous epidemiological studies have explored the mental health consequences of the COVID-19 pandemic, uncovering increased rates of anxiety, depression, post-traumatic stress disorder (PTSD), and other psychological conditions. These findings aid in developing mental health interventions.

8. Vector-Borne Diseases: Epidemiologists have continued studying vector-borne diseases like malaria, dengue, Zika, and West Nile virus, examining their transmission patterns, control methods, and the impact of climate change on their spread.

9. Cancer Epidemiology: Ongoing research into cancer epidemiology has focused on identifying risk factors, improving screening strategies, and identifying geographic and ethnic disparities in cancer incidence, providing insights for prevention and effective treatment.

10. Antibiotic Resistance: Epidemiological studies have highlighted the growing global threat of antibiotic resistance, exploring its causes, trends, and the impact on public health. These findings inform policies for appropriate antibiotic use, stewardship programs, and the development of new antibiotics.

These discoveries represent only a fraction of the vast research efforts within the field of epidemiology, which continue to evolve rapidly to tackle pressing global health challenges.

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