Covaxin Covid-19 vaccine reports higher efficacy in paediatric population

Bharat Biotech’s Covid-19 vaccine — Covaxin — has reported higher neutralising antibodies in children and on an average, it was 1.7 times higher than in adults. The vaccine was well-tolerated and immunogenic in paediatric subjects in Phase II/III study. The study has been accepted and published in Lancet Infectious Diseases. Covaxin is one of the … Read more

In 15-18 years age group, over 80 pc got first dose of Covid vaccine, says Health Minister Mansukh Mandaviya

Over 80 per cent of people aged between 15 and 18 years have received the first dose of Covid vaccine, Union Health Minister Mansukh Mandaviya said on Tuesday. The total number of Covid vaccine doses administered in India exceeded 192.52 crore till Tuesday 7 am, according to a provisional report. The COVID-19 vaccination for the … Read more

Serum Institute of India seeks permission for Phase-3 trial of Covovax as booster dose in children aged 2 to 18 years

The Serum Institute of India (SII) has sought permission from the country’s drug regulator to conduct Phase-3 trial to evaluate the safety and immunogenicity of its COVID-19 vaccine Covovax as a booster dose in children aged two to 18 years, official sources said on Sunday. The Drugs Controller General of India (DCGI) had granted permission … Read more

Corbevax & Covaxin Covid-19 vaccines get nod for kids below 12 years

The Drugs Controller General of India (DCGI) granted emergency use authorisation for Biological E’s Covid-19 vaccine Corbevax for children aged five to 12 years, and Bharat Biotech’s Covaxin for children in the age group of six to 12 years, on Tuesday. The DCGI has also granted emergency use authorisation (EUA) to Cadila for its ZyCoV-D … Read more

Mix-and-match approach to booster shot offers best protection against COVID-19: Study

Giving a different vaccine as the third dose than was received for the first two shots leads to better performance compared to using the booster of same preventive, according to a study published in The Lancet Global Health journal. The research assessed the effectiveness of CoronaVac, Pfizer and AstraZeneca vaccine boosters in individuals who had … Read more

Scientists find how Omicron sub variants escape immune system, spread rapidly

Scientists in the US have found the mechanism which the BA.1 and BA.2 Omicron sub variants use to escape antibodies and spread rapidly, an advance that could lead to new therapeutic targets and help update COVID-19 vaccine formulations. The researchers found that the two dominant sub lineages of Omicron have unprecedented numbers of spike protein … Read more

Do you know why Covid-19 vaccines are injected in the upper arm?

Everyone that got vaccinated for Covid-19 in the last 16 months must be remembering the prick they got in their upper arm. According to experts, this is because most vaccines including the Covid-19 vaccines are most effective when injected via an intramuscular route into the upper arm muscle called the deltoid. There are many reasons … Read more

Time to remove Covid-19 vaccine mandates?

Several Australian states have used mandates to drive up COVID vaccination rates. Governments justified the mandates on the basis of preventing the spread of disease and protecting the vulnerable. Now many states are rolling back these mandates, with Queensland removing the requirement to show you’re vaccinated before entering cafes, pubs, galleries and other public spaces … Read more

As FDA OKs Another COVID Booster, Some Experts Question Need

Editor’s note: This story was updated at 4:20 p.m.  March 29, 2022 — The FDA today authorized Americans over the age of 50 to receive a second COVID-19 booster shot, even though many top infectious disease experts questioned the need before the agency’s decision. The FDA granted emergency use authorization for both Pfizer and Moderna … Read more

Moderna says its low-dose COVID shots work for kids under six

Moderna said in the coming weeks it would ask regulators in the U.S. and Europe to authorize two small-dose shots for youngsters under 6. Moderna’s COVID-19 vaccine works in babies, toddlers and preschoolers the company announced Wednesday — and if regulators agree it could mean a chance to finally start vaccinating the littlest kids by … Read more