Health experts said that of all COVID-19 patients in the state, between 50-60 percent were infected with the double mutant (Delta) variant of the virus.

At present, the Delta variant is fast emerging to be the most dominant SARS-CoV-2 strain in the world. Some of the other variants of the novel coronavirus that have left health experts concerned are the Delta Plus and Lambda variants.

China continues to struggle with the target of “Societal zero”

The momentum indicator Relative Strength Index (RSI) is at 49.41, which indicates sideways movement in the prices.

India was put on UK's red list on April 23, 2021, mandating flyers to isolate in a government-approved hotel after arrival in the UK. But it’s out of budget, students complain.

Last week, BSE Sensex ended 0.30 percent lower at 52,975.8, while the Nifty50 was down 0.42 percent to close at 15,856 levels.

Pfizer and BioNTech initiated a Phase 2/3 study in June 2021 to further evaluate the safety, tolerability and immunogenicity of BNT162b2 vaccine in preventing COVID-19 in healthy children aged 6 months to 11 years.

From January to June, the vaccines as claimed remained effective around 90 per cent, but began dipping in June and largely dropped in July as the variant took hold in the US.

The number of children hospitalized with COVID is rising across the country, a trend health experts attribute to the Delta variant being more likely to infect children than the original Alpha strain.

New Zealand on August 23 extended the nation-wide COVID-19 lockdown, with Prime Minister Jacinda Ardern saying a Delta variant outbreak was yet to peak

Harsh Mariwala spelt out reasons for his belief that is increased vaccinations and high seropositivity are reasons for this belief, and added that experts told him the delta variant "could be milder"

Almost seven million people in Melbourne and surrounding Victoria state were scheduled to exit a four-week lockdown on Thursday, but state premier Dan Andrews said it would no longer be possible with case numbers rising by 92 overnight.

Florida is in the grip of its deadliest wave of COVID-19 since the pandemic began, a disaster driven by the highly contagious delta variant.

Officials said first-dose COVID-19 vaccination levels have reached 80% of the New South Wales (NSW) adult population, while the dual-dose rate in Sydney’s home state stands at 48% now. That’s above the national average of 43%, but well below the 70% level…

Economic activity began to slow in the second quarter of 2021, and growth forecasts have been downgraded for most countries in the region, according to the World Bank’s East Asia and Pacific Fall 2021 Economic Update.

ICMR Director General Balram Bhargava writes about Covaxin Covid vaccine in his book: 'Going Viral - Making of Covaxin: The Inside Story'. An excerpt:

If the COVID-19 Omicron variant strain is more transmissible than the Delta variant, there is no doubt that it will spread throughout the world, and become the most dominant strain. No amount of border closures or flight cancellations are going to prevent…

If the COVID-19 Omicron variant strain is more transmissible than the Delta variant, there is no doubt that it will spread throughout the world, and become the most dominant strain. No amount of border closures or flight cancellations are going to prevent…

"Given the fast pace of vaccination in India and high exposure to Delta variant as evidenced by high seropositivity, the severity of the disease is anticipated to be low," it said in a statement. "However, scientific evidence is still evolving."