Table 3.

Continent/country-wise prevalence of prolonged infections’ mutations in the receptor-binding domain of the SARS-CoV-2 spike protein until 29 May 2021.

Continent/Country	No. of Studied Sequences	Mutation (%)
		T415A	T470N	V483A	E484A	F486I	Q493K	Q493R
Africa	1728
Asia	3703				0.027
Europe €	6092	0.033					0.016	0.016
Switzerland	18,234						0.005
UK	178,878	0.001	0.001	0.006	0.002		0.007	0.006
North America ‡	99
USA	300,280	0.007	0.001	0.021	0.001		0.005	0.008
Oceania	13,299
South America	603

^€ = Europe excluding Switzerland and the UK; ^‡ = North America excluding the USA; empty cell = 4 or more decimal places or 0%.