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Here’s what you need to know the lambda variant

Health workers vaccinate a woman in Peru.DIEGO RAMOS | AFP | Getty ImagesMore than 18 months after the Covid-19 pandemic, the world is now used to news of new variants of the virus, especially those that have successively supplanted…

Here’s what you need to know

June 2021, people are standing in front of a vaccination center in Sydney as residents have largely been banned from leaving the city in order to stop a growing outbreak of the highly contagious Delta-Covid-19 variant in other regions.SAEED…