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India's daily coronavirus cases dip below 40,000 for second day; 9 states, UTs still reporting upward trend

The number of people who have recuperated from the disease surged to 3,10, 99,771, while the case fatality rate stands at 1.34 per cent, the data stated.

India okays Moderna vaccine for emergency use: How does it work and how effective is it?

Moderna vaccine: The Moderna jab was the second vaccine to get an emergency nod in the US after the Pfizer vaccine, another mRNA shot

Pfizer and Moderna's COVID-19 vaccines don’t lower sperm count, says study; all you need to know

The potential negative impact of COVID-19 vaccines on male fertility has been one of the many reasons for vaccine hesitancy across the world

Tokyo Olympics 2020: South Africa shows the complexities of IOC's vaccine offer

More than 500 South African Olympic athletes and coaches will be vaccinated with the Johnson and Johnson shots left over from a local clinical trial for health workers, and will effectively become part of the trial, too.

AstraZeneca vaccine efficacy 6% less for 'Indian' COVID-19 variant compared to British one, finds UK study

The study, conducted by Public Health England, also found that a double dose of COVID-19 vaccines is almost as effective against the fast-spreading 'Indian' variant

Pfizer-BioNTech COVID-19 vaccine may come to India, emergency approval on the cards

In April, the US pharma company had offered a not-for-profit price for its vaccine for the Indian government's immunisation programme.

South African COVID-19 variant can better bypass Pfizer-BioNTech vaccine: Israeli study

The South African variant accounted for less than one percent of coronavirus cases in Israel.

Researchers are hatching a new low-cost COVID-19 vaccine in chicken eggs

If NDV-HXP-S proves safe and effective, flu vaccine manufacturers could potentially produce well over a billion doses of it a year.

Canadian panel of vaccine experts recommend giving the second COVID-19 jab after four months

By doing so, around 80 percent of Canadians over the age of 16 will receive a single dose by the end of June with the expected supply of Pfizer-BioNTech and Moderna vaccines

Johnson & Johnson one-dose COVID-19 shot offers strong protection, fuels concern about variants

A single-dose vaccine is a big advantage when most countries are struggling to get shots in arms more quickly.