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201 - 210 of 870 results found

COVID-19: B.A4 and BA.5 variants spur 20 per cent rise in cases

Date
Wednesday, June 29, 2022 - 2:45 PM
Description
COVID-19 cases are on the rise in some 110 countries, driven by the BA.4 and BA.5 variants, said the UN health agency chief on Wednesday, amounting to a 20 per cent spike overall, and a rise in the number of deaths across three of the six world

COVID-19: Current vaccines may need to be updated, experts warn

Date
Tuesday, January 11, 2022 - 12:28 PM
Description
Current COVID-19 vaccines may need to be updated to ensure their continued effectiveness against Omicron and future variants, an expert group appointed by the World Health Organization (WHO) said on Tuesday.

COVID-19: Don’t underestimate Omicron, WHO chief warns

Date
Tuesday, December 14, 2021 - 1:28 PM
Description
The Omicron variant is “probably” now present in most of the world’s countries and it would be a mistake to dismiss the COVID-19 strain as “mild”, said the head of the UN health agency (WHO) on Tuesday.