TOPLINE Researchers have documented the first case of Covid-19 reinfection in the U.S., casting further doubts on the idea of a natural herd immunity and raising the prospect of more serious second infections.
KEY BACKGROUND Though reinfections with Covid-19 are exceptionally rare — there are cases reported in Hong Kong, Belgium, the Netherlands, and Ecuador — they can teach us a lot about the nature of immunity and inform public health efforts to curb the virus’ spread. Crucially, cases of reinfection give reason to question strategies relying on natural herd immunity, researchers say, and ought encourage those who have already been infected to think twice before abandoning precautions and going back to life as ‘normal’.
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The Centers for Disease Control and Prevention (CDC) is a national public health institute in the United States. It is a United States federal agency, under the Department of Health and Human Services, and is headquartered in Atlanta, Georgia.
Its main goal is to protect public health and safety through the control and prevention of disease, injury, and disability in the US and internationally. The CDC focuses national attention on developing and applying disease control and prevention. It especially focuses its attention on infectious disease, food borne pathogens, environmental health, occupational safety and health, health promotion, injury prevention and educational activities designed to improve the health of United States citizens. The CDC also conducts research and provides information on non-infectious diseases, such as obesity and diabetes, and is a founding member of the International Association of National Public Health Institutes.
Source – Centers for Disease Control and Prevention (Updated: 10 October 2020) Wikipedia. Available at https://en.wikipedia.org/wiki/Centers_for_Disease_Control_and_Prevention, (Accessed: 13 October 2020)