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Saturday, September 13, 2025
TopicDelta variant

Topic: Delta variant

Webb telescope in homophobia row & Omicron study tests negative — 2022’s science controversies

From researchers retracting study tracing origins of Omicron to Modi govt sparring with WHO over excess Covid deaths, the global scientific fraternity was hit by many a controversy.

Deltacron: What scientists know so far about this new hybrid coronavirus

The fact that deltacron has spread across borders emphasises the need for ongoing genomic surveillance to keep tabs on how the virus is changing.

UK reports Delta x Omicron combine variant, leading Indian virologist says no reason to panic

UK Health Security Agency has added ‘Delta x Omicron Recombinant (UK)’ under list of Covid variants being monitored and investigated. Experts say such cross mutations are expected.

Covid spilling over to free-ranging animals? Dead leopard cub had Delta, didn’t die of it

Case was detected at a time when infection levels had dropped significantly in humans, says 12 January report by scientists from Indian Veterinary Research Institute.

Covid has surged, but there are hardly any ‘black fungus’ cases this time — doctors explain why

Experts said cases of mucormycosis peaked due to excessive misuse of steroids amid the 2nd wave. Unmonitored blood sugar levels and self-medication by many also contributed.

Study shows Covaxin booster dose neutralises both Omicron, Delta variants: Bharat Biotech

Bharat Biotech said a study at Emory University demonstrated that people who got a Covaxin booster, 6 months after the two doses, witnessed neutralising of the two Covid variants.

Omicron infection may reduce risk from Delta variant too, South African study shows

The latest findings suggest the likelihood of someone infected with Omicron variant of Covid-19 being reinfected by the Delta variant is limited.

How errors, inaction sent deadly Delta variant around the world in 2021

Delta has been the most dominant form of Covid for much of 2021, when more than 3.5 million people died of the virus — almost double the toll during the first year of the pandemic.

Booster shot of Pfizer vaccine can cut mortality from Delta variant by 90%, says Israeli study

Data culled from 54-day study period involving 8 lakh participants aged over 50, some of whom had got the booster shot.

Omicron has higher risk of reinfection than Delta, Beta variants, Singapore’s health ministry says

The ministry also said studies so far show antigen rapid tests, in addition to the PCR tests, are effective in detecting Covid infection, including Omicron cases.

On Camera

The key difference between India and China’s response to Gen-Z protests in Nepal

China is desperate to keep Communist Nepal ally intact. India must worry.

What’s behind bond yields’ logic-defying spike? The market’s concern over the future

While bond yields tend to fall amid low inflation & interest rate cuts, market experts say they’ve been rising due to concerns over tax collections, fiscal deficit & potential impact of US tariffs.

Navy gets first Tata-made Spanish 3D surveillance radar for its warships, 19 more to come

It is one of the most advanced long-range air defence and anti-missile radars. It has been acquired under an about USD 145-million deal signed in 2020.

Punjab is fast becoming the new Northeast. And there’s a message in it for Modi

In its toughest time in decades because of floods, Punjab would’ve expected PM Modi to visit. If he has the time for a Bihar tour, why not a short visit to next-door Punjab?