The B.1.617 variant of the coronavirus was first detected in India last year and has been blamed for much of a devastating Covid-19 wave that has battered South Asian nations in recent weeks.
Several Indian states have reported an acute shortage of vaccines, forcing many regions, including the capital New Delhi, to again prioritise those aged above 45.
Brasilia saw its largest rally since the start of the pandemic as people marched on Congress, where a senate commission is investigating Bolsonaro's handling of the health crisis.
Italy has registered 126,002 deaths linked to COVID-19 since its outbreak in around February last year, the second-highest toll in Europe after Britain and the seventh-highest in the world.
The number of patients in hospital with COVID-19 - not including those in intensive care - stood at 6,800 on Saturday, down from 7,192 a day earlier.
The Czechs are in Group D along with Scotland, Croatia and England, playing their first two matches in Glasgow (June 14 and 18) before the final group game against England in London (June 22).
"The Czech national team will spend the whole UEFA Euro 2020 tournament in Prague instead of the base camp in Edinburgh as it was planned originally," the team said in a statement.
The health ministry also reported 98 deaths of people who had tested positive for COVID-19, another daily record. The latest figures took the total number of cases in the country to 558,534 and deaths to 2,650.
Malaysia has seen a surge in coronavirus incidence in recent weeks, partly due to highly transmissible variants.
"Vietnam has uncovered a new COVID-19 variant combining characteristics of the two existing variants first found in India and the UK."
The World Health Organization (WHO) has identified four variants of SARS-CoV-2 of global concern. These include variants that emerged first in India, in Britain, in South Africa and in Brazil.
Kate, 39, said she had received the shot at the Science Museum, a prominent tourist attraction not far from Kate's Kensington Palace home in west London.
"I'm hugely grateful to everyone who is playing a part in the rollout - thank you for everything you are doing."