The number of coronavirus cases is increasing by the day Credit: Representational image

Apex: Apex variously means “the tip, point, vertex, summit, climax, peak”.

Asymptomatic: It means “showing no evidence of disease”. Just because a person is asymptomatic doesn’t mean they aren’t infected with COVID-19.

Community spread: It is the spread of a contagious disease within a community where the infection source is unknown.

Contact tracing: It is “the practice of identifying and monitoring individuals who may have had contact with an infectious person as a means of controlling the spread of a communicable disease”.

COVID-19: It is a highly infectious respiratory disease caused by a new coronavirus. The disease was discovered in China in December 2019 and has since spread around the world.

Coronavirus: It refers to any of various RNA-containing spherical viruses of the family Coronaviridae, including several that cause acute respiratory illnesses. Notable types of coronavirus are SARS, MERS, and COVID-19.

Disease mitigation: These are measures taken to slow the spread of infection. Quarantine, isolation, and social distancing are forms of mitigation.

Epidemic: An epidemic is a temporary prevalence of a disease spreading from person to person in a locality where that disease is not permanently prevalent.

Fomite: It is an object (such as a dish or a doorknob) that may be contaminated with infectious organisms and serve in their transmission.

Incubation period: It is the time it takes for symptoms to appear after a person is infected. The new coronavirus has an incubation period of two to 14 days, according to the C.D.C, with symptoms appearing about five days after infection in most cases.

Pandemic: A pandemic is a disease prevalent throughout an entire country, continent, or the whole world. A pandemic is an epidemic that has spread over a large area.

Physical distancing: Physical distancing is an alternative term for social distancing. Its use is being increasingly encouraged by some health professionals because the term emphasizes the importance of maintaining physical distance between people to help stop the spread of the disease.

Screening: It is examining a person to see if they have a disease. This frequently involves taking their temperature, asking about symptoms, and asking about potential exposures to infected people.

Social distancing: It refers to measures that reduce contact between large groups of people.

Super-spreader: Also written as ‘superspreader’, it is “an individual who is highly contagious and capable of transmitting a communicable disease to an unusually large number of uninfected individuals.

Quarantine: It is a strict isolation imposed to prevent the spread of disease.

Self-quarantine: It is when someone isn’t ordered to go into quarantine but chooses to do so out of caution; also called voluntary quarantine.

Virus: It is an infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals.

WHO: It stands for World Health Organization, a United Nations agency based in Geneva, Switzerland.

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