Covid-19 vaccines are estimated to have prevented nearly 1.98 crore deaths worldwide — out of a potential 3.14 crore deaths — in the first year of the vaccine programme, a new modelling study has found. These include 42.10 lakh deaths prevented in India. The study has been published in The Lancet Infectious Disease.

Read | Revival of MSMEs signals Covid woes thing of past

According to a June 21 report of Indian SARS-CoV-2 Consortium on Genomics (INSACOG), 44 samples from Bengaluru sent for genome sequencing between June 2 and June 9 were found to be infected with BA.3, BA.4 and BA.5 sub-lineages of Covid variant Omicron. This development comes after a recent sewage surveillance report had also shown the presence of BA.4 and BA.5 sub-lineages of Omicron in the city. On the advice of the Covid technical advisory committee (TAC), the health department on June 7 set up a sewage surveillance appraisal committee headed by the committee’s chairman M K Sudarshan.

The largest study to date of long Covid symptoms in children aged 0-14 years confirms that children who have received a Covid-19 diagnosis can experience symptoms of long Covid lasting at least two months. The study, published in ‘The Lancet Child and Adolescent Health’ journal, used national level sampling of children in Denmark and matched Covid-19 positive cases with a control group of children with no prior history of a Covid-19 infection.

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