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Tuesday, November 25, 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

Anand Gandhi is taking his biggest moonshot from Goa— vaanars, rakshasis, manushyas

Ship of Theseus director Anand Gandhi moved to Goa to synthesise big ideas and build an Indian sci-fi mythiverse with MAYA. ‘In a way, the job title in the East for this enterprise is the Buddha.’

172 countries & counting, India looks to hit new record in rice exports. But there’s a flip side

The industry forecasts exports are set to grow 16% in 2025-26, boosted by surplus domestic production and a drive to push into 26 underserved global markets with strong potential.

India and France to jointly manufacture HAMMER air-to-surface missile

Indigenisation level will progressively increase up to 60 percent with key sub-assemblies, electronics and mechanical parts being manufactured locally.

A tribute to Tejas. India’s delay culture is the real enemy in the skies

It is a brilliant, reasonably priced, and mostly homemade aircraft with a stellar safety record; only two crashes in 24 years since its first flight. But its crash is a moment of introspection.