In what year did the reported US COVID-19 death toll pass 1 million? Answer with the four-digit year only.

The RECOVERY trial found that convalescent plasma reduced deaths in hospitalised COVID-19 patients. Answer true or false.

In what year did China abandon its zero-COVID policy? Answer with the four-digit year only.

Who was President of Brazil during the pandemic? Answer with the surname only.

Who was the UK's Chief Medical Officer for England during the pandemic? Answer with the surname only.

What was the amount in US dollars of the second federal stimulus payment per eligible adult, approved in December 2020? Answer with the whole number only.

The D614G mutation that spread worldwide in 2020 is in which SARS-CoV-2 protein? Answer with one word only, in lowercase.

Who became director of the US CDC in January 2021? Answer with the surname only.

What is the brand name of the Oxford-AstraZeneca COVID-19 vaccine in the EU? Answer with the name only.

In what year did North Korea first officially acknowledge a COVID-19 outbreak? Answer with the four-digit year only.

What was Merriam-Webster's word of the year for 2021? Answer with one word only, in lowercase.

The CDC advised washing hands for at least how many seconds? Answer with the whole number only.

In what year did India's Delta-driven second COVID-19 wave peak? Answer with the four-digit year only.

US social distancing guidance advised staying at least how many feet apart? Answer with the whole number only.

What is the Pango lineage designation of the Alpha variant? Answer with the lineage code only, e.g. 'A.1.2'.

The SARS-CoV-2 reference genome (Wuhan-Hu-1) is about how many kilobases long, rounded to the nearest whole kilobase? Answer with the whole number only.

In which US state was the first confirmed US case of COVID-19 reported in January 2020? Answer with the state name only.

In what year did the WHO introduce Greek-letter names for SARS-CoV-2 variants? Answer with the four-digit year only.

Which club won the 2019-20 Premier League, completed after a three-month COVID-19 pause? Answer with the club name only.

How many micrograms of mRNA were in one adult primary dose of the Pfizer-BioNTech vaccine? Answer with the whole number only.

In which small Lombardy town was Italy's first locally transmitted COVID-19 case identified in February 2020? Answer with the city or town name only.

Which layer of the atmosphere is closest to Earth's surface? Answer with the layer name only, in lowercase.

In which country is the volcano Eyjafjallajokull, which disrupted air travel in 2010? Answer with the country name only.

Who developed the first successful rabies vaccine in 1885? Answer with the surname only.

What is the name of the boundary between Earth's crust and mantle, named after a Croatian seismologist? Answer with the one-word short name only.