Gangakhedkar, the former head of epidemiology and communicable diseases at the Indian Council of Medical Research (ICMR), is the Dr C.G.Pandit National Chair at the ICMR.
The setback has erased years of progress toward tackling the curable disease, which affects millions of people worldwide.
Last week, the WHO has also announced a plan to end the COVID-19 pandemic by ensuring all people, everywhere, have access to vaccines.
High COVID-19 rate in 0-19 age group in India; frequent post-vax infections with Delta variant: Study
According to the WHO update, the study found an increased number of infections among the 0-19 age group and women, higher mortality and more frequent incidences of post-vaccination infections.
WHO 'deeply concerned' over COVID vaccines approved for emergency use not being recognised in all countries: Official
The organisation again calls on all countries to ensure the recognition of vaccines proven to be efficacious and safe and certainly that meet WHO Emergency Use Listing criteria, WHO said.
WHO director-general Tedros Adhanom Ghebreyesus called it “a historic moment" after a meeting in which two of the U.N. health agency's expert advisory groups endorsed using the vaccine.
Once the contract was finalised, in February 2020, the toll for vehicles and unloading charges were hiked steeply.
For close to 18 months now, the world has been debating the source of the Covid-19 virus and the possibility of it having been a product of horrendous mischief by China in one of its laboratories.
The largest decline in weekly deaths was reported from the Western Pacific Region, with a 24 per cent decline as compared to the previous week.
The WHO says almost 90 per cent of high-income countries have met the 10 per cent target set by the World Health Assembly this year.
Rolling data allows the WHO to start its review right away, as information continues to come in, to accelerate the overall review process.
The majority of the alleged perpetrators were Congolese staff hired on a temporary basis who took advantage of their apparent authority to obtain sexual favours, according to the panel's report.
Covid virus expected to continue to transmit for a very long time: WHO official Poonam Khetrapal Singh
WHO's South-East Asia region regional director added that there is a need to get to a situation where "we are fully in control of the virus, and not the virus in control of us".
Soumya Swaminathan said SARS-CoV2 virus may not disappear, but it is not going to cause the kind of impact and panic it caused over the last two years.
Tedros, who goes by his first name, has been in the global spotlight over the organisation's response to the coronavirus pandemic over the last 19 months.