Coronavirus News LIVE Updates: COVID-19 in India reports 6,984 new cases, 8,168 recoveries, & 247 deaths in the last 24 hoursCOVID-19 vaccines appear to have become slightly less effective in preventing severe disease and death but do provide "significant protection", the World Health Organization (WHO) said on Tuesday.Omicron has been detected in a 24-year-old woman from Kenya and 23-year-old man from Somalia who came to Hyderabad in December. Both were known to be residing in Hyderabad. State's Director of Public Health G. Srinivasa Rao said on December 15 that the woman was sent to the Telangana Institute of Medical Sciences, Gachibowli. The man is being traced. Their genome sequencing results were received on December 14 night.The Omicron variant first detected in South Africa and Hong Kong last month has now been reported by 77 countries and is probably present in most worldwide, but should not be dismissed as "mild", WHO Director-General Tedros Adhanom Ghebreyesus said.