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ICMR DG Dr Balram Bhargava (right) and OSD at the Ministry of Health Rajesh Bhushan at a press conference in New Delhi on 14 July 2020 | Atul Yadav | PTI

Too early to say Indians have T cell-mediated protection against Covid infection, says ICMR

Health Secretary Rajesh Bhushan says Covid is spreading to new areas in India but 66 per cent of cases continue to be in 50 districts and 82 per cent in 10 states.
A donor at Delhi's plasma bank, which was launched last Thursday | Representational image | Suraj Singh Bisht | ThePrint

Delhi man donates plasma 6 times to Covid patients. Here’s what experts have to say

Delhi resident Tabrej Khan donated plasma 6 times between 18 April and 20 June. He is now planning to donate for a seventh time and sent his blood for antibody test to LNJP hospital.
A medical worker puts blood sample in a kit for rapid blood test | Representational Image | Carlos Becerra | Bloomberg

Why you should not get depressed over studies that say Covid antibodies fade fast

Researchers say none of these findings is any reason to stop or slow down vaccine work and if anything, it should redouble the efforts if natural immunity fades quickly.
A rapid antibody test | PTI

Covid antibodies fade rapidly in mild cases, raise risk of lost immunity, report says

Research on blood taken from 34 patients found the loss of antibodies occurred more quickly than with SARS, an earlier type of coronavirus infection.
A medic sorts samples for Covid-19 rapid antigen testing, during Unlock 2.0, in New Delhi, Saturday, 11 July 2020.| PTI/Kamal Kishore Nath

Fingerprick antibody test with ‘98.6% accuracy’ could see mass rollout in UK by year-end

Once approved, UK government hopes to distribute the kits online for free rather than sell them through supermarkets, says a report in The Telegraph.
A health worker draws a blood sample as part of the serological survey in Delhi | Photo: Manisha Mondal | ThePrint

Serological survey kicks off in Delhi as national capital’s Covid cases surge

The serological survey is being conducted to assess the actual spread of the Covid infection. 
A scientist performing an RT-PCR test | Photo: Angana Chakrabarti | ThePrint

RT-PCR, antigen, antibody, TrueNAT — all you need to know about the different Covid tests

Each kind of test has different processes, prices & also purposes — antigen tests can identify positive cases, while antibody tests can screen a wide area.
The novel coronavirus

Antibodies in Covid recovered patients last only 2-3 months, finds Nature study

The Chinese study also found that asymptomatic individuals have less antibodies than symptomatic ones, a fact that could have significant bearing on vaccines. 
Representational image | Pixabay

Hospital staff with Covid-19 produced antibodies that could prevent reinfection, says study

The research addresses a crucial question whether people who have Covid-19, especially milder forms, develop antibodies capable of protecting them against reinfection.
Representational Image | Photo: SeongJoon Cho | Bloomberg

60 districts, 10 cities — how ICMR is going deep into India’s heart to chart Covid course 

Armed with antibody tests, ICMR teams are going around the country to assess Covid exposure, and understand the role of asymptomatic patients in transmission.

On Camera

Empty Sheikh Zayed Road during lockdown in Dubai | Bloomberg

What ails Arab economies is older than Covid-19

Dependence on oil and natural-gas exports and an over-reliance on Europe and US as trade partners have made it difficult for the region's integration into the world economy.
A freshtohome advertisement

Bengaluru-based startup FreshToHome raises $121 million from investors, including US govt

FreshToHome is one of the largest players in the $94 billion Indian fish and meat market, processing some 1.5 million orders a month and about $85 million in annual sales.

Defence

A file photo of Defence Minister Rajnath Singh, External Affairs Minister S. Jaishankar, US Secretary of State Michael Pompeo and US Secretary of Defense Mark Esper at the 2+2 dialogue in Washington in December 2019. | Photo: ANI

The 3 foundational agreements with US and what they mean for India’s military growth

Basic Exchange and Cooperation Agreement, the last of the key foundational agreements between India & US, was signed Tuesday. LEMOA was signed in 2016 and COMCASA in 2018.
Illustration: Soham Sen/ThePrint

Trump or Biden? Doesn’t matter to India-US ties as they’re in a full, strategic embrace

Pompeo & Esper’s visit to India for the 2+2 talks is proof that old hypocrisies are history, and supreme national interest has again driven a strategic choice.