Both coronavirus and corona virus are correct ways to refer to the family of viruses that includes the virus that causes COVID-19. The word coronavirus is the most commonly used term, and it is the term used by the World Health Organization (WHO). In summary, both coronavirus and corona virus are correct, but coronavirus is the more commonly used term.

Correct spelling

coronavirus

Correct spelling, explanation: recommended, more prevalent spelling. Coronavirus is a combination of the words corona, which refers to the crown-like shape of the virus when viewed under a microscope, and virus. The word corona is derived from the Latin word corōna, which means crown or wreath.

Correct spelling

corona virus

Correct spelling, explanation: not recommended, less popular version. Corona virus is a less common way to refer to these viruses, and it is not used as frequently in the scientific or medical literature. It is formed by combining the words corona and virus separately, rather than using the combined form coronavirus.

Sentence examples with coronavirus/corona virus:
The corona virus outbreak has caused widespread panic and disrupted daily life around the world.
Experts are working tirelessly to develop a vaccine for the corona virus.
Scientists are racing to understand the coronavirus and develop treatments and a vaccine.

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