http://www.newsweek.com/lambda-covid-variant-potential-threat-society-researchers-1616556

There is concern over the threat posed by the Lambda variant of COVID-19 which may be more resistant to vaccines than the original version of the virus.

Research by a team from the University of Tokyo, which has not yet been peer-reviewed, found that three mutations in Lambda's spike protein help it resist neutralization by vaccine-induced antibodies.