COVID-19, (PROSE: The Invasion of London) originally known as Corona Virus Disease 2019, (WC: U.N.I.T. On Call) was an infectious and deadly disease, caused by a virus which spread on Earth during 2020. (PROSE: Sweet Revenge) Most of the Earth had to go into lockdown in 2020 to avoid spreading it. (PROSE: The Invasion of London, Sweet Revenge) When among others, humans kept 2 metres apart from each other, and often wore face masks. (PROSE: 8.46)

Donna Price treated three COVID-19 patients in the Princess of Wales Hospital in Bridgend. (PROSE: The Edge of Glory)

The murder of George Floyd occurred during the pandemic and, despite the lockdown, it sparked mass protests across the United States and United Kingdom. When Lucy and Hobo joined the peaceful protests in Ogmore-by-Sea, they wore face masks, carried a bottle of hand sanitiser, and made sure to stay two metres away from other people. (PROSE: 8.46) Bill Potts attended a similar march in Bristol, noting that people kept their distance and remained calm while protesting. (WC: The Best of Days)

The Third Doctor knew that COVID-19 impacted the Earth in 2020. During 2020, a Doctor Who fan somehow called UNIT in the 1970s, to get advice about how to handle COVID-19 now that UNIT had been suspended. (WC: U.N.I.T. On Call)

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