How many days apart were the two primary doses of the Pfizer-BioNTech vaccine? Answer with the whole number only.
Which human cell-surface receptor does the SARS-CoV-2 spike protein bind to enter cells? Answer with the receptor's abbreviation only.
The US campaign announced in March 2020 was called 'how many days to slow the spread'? Answer with the whole number only.
Which team won the 2020 World Series? Answer with the team nickname only, e.g. 'Yankees'.
In what year did India's Delta-driven second COVID-19 wave peak? Answer with the four-digit year only.
In what year did the first cases of the original SARS outbreak occur in Guangdong, China? Answer with the four-digit year only.
On what day of March 2020 did the US declare a national emergency over COVID-19? Answer with the day of the month as a whole number only.
In what year did Paxlovid receive US emergency use authorisation? Answer with the four-digit year only.
In which German city is BioNTech headquartered? Answer with the city or town name only.
Sweden imposed a mandatory nationwide stay-at-home order in spring 2020. Answer true or false.
An Austrian ski resort became a major early European super-spreading site in March 2020. Answer with the resort's name only.
Of which US institute was Anthony Fauci director? Answer with the institute's abbreviation only.
In what year did Isaac Newton first publish the 'Philosophiae Naturalis Principia Mathematica'? Answer with the four-digit year only.
Which element is the most abundant in Earth's crust by mass? Answer with the element name only, in English.
How many base units are there in the International System of Units (SI)? Answer with the whole number only.
In what year was the Paris Agreement on climate change adopted? Answer with the four-digit year only.
Which blood type is known as the universal red-cell donor? Answer with the blood type only, e.g. AB+.
In what year did Einstein present the field equations of general relativity? Answer with the four-digit year only.
