Travellers arrive at Kuala Lumpur International Airport (KLIA) under Malaysia-Singapore Vaccinated Travel Lane (VTL) programme, after travel between the two countries was halted due to the coronavirus disease (COVID-19) pandemic, in Sepang, Malaysia Nov 29, 2021. REUTERS/Lai Seng Sin

Vaccines should give protection against omicron: expert

“It is too early to say whether omicron led to more severe clinical symptoms than previous variants,” South African expert Abdool Karim says