Why vaccine doses differ for babies, kids, teens and adults: An immunologist explains

As time passes, your immune system matures through different stages, much the way you advanced from crawling to standing, walking and running

Forests can increase human immunity against pandemics like COVID-19

Our analysis shows that most of the COVID-affected areas in India are in states with lesser forest cover and vice versa

Herbal products can help in dealing with COVID-19, if they are made trustworthy

Herbal products can increase our immune responses; however, we first need authenticity, a proper scientific approach, strict governmental …

Declining antibodies and immunity to COVID-19: Why the worry?

The declining antibody levels in COVID-19 cases suggest that cells that produce these antibodies are not present in sufficient numbers

COVID-19 surge: Why has China not attained herd immunity despite high vaccination coverage?

Germany, South Korea, Vietnam are also reporting increase in COVID-19 cases despite extensive vaccination

Early human trial of COVID-19 vaccine gives positive results

Developed by Beijing-based firm, the vaccine shows development of both forms of immunity  

Patients unaware of omicron infection, may be contributing to COVID-19 spread: Report

Study finds 56% people were unaware of infection status  

Protection against COVID-19 infection, severe disease falls quickly after AstraZeneca 2nd dose: Lancet

Begins to wane after 18-19 weeks; study stresses on need for booster dose 

COVID-19 immunity: Treading turbulent waters

We constantly hear of pills and food supplements that we must consume or lifestyle changes we must inculcate to boost our immune system. …

Scientists figure out molecular mechanism behind latent TB

Kolkata researchers think protein molecule MPT63 secreted by TB bacteria might have a role in its release into body from granuloma 

A humble recipe of 3 spices to slacken COVID-19 scare

There is urgent need to focus on alternative, easily available sources; natural products consumed as spices and food can be a better choice  

Simply Put: The COVID-19 happiness index

Poor nutrition changes the way a body fights infection: This might protect against severe COVID-19

Deficient leptin levels caused by malnutrition might protect against severe infection and death, says study

Study deciphers the play of proteins that check obesity

Scientists found that two proteins, triggered by cytokines from the immune system, work in tandem to keep fat cells under check

V(a)x populi: Should we or should we not vaccinate

Three experts come from three different points of view to the debate on compulsory vaccination

‘COVID-19 herd immunity unlikely to slow transmission in coming months’

Expect third wave in the US in winter

When will we reach herd immunity? Here are 3 reasons that’s a hard question to answer

It’s important to acknowledge it’s difficult to pin down a single magic number for herd immunity from COVID-19

COVID-19 herd immunity? It’s not going to happen, so what next?

The only sustainable solution is to learn to live with the virus.  

Dietary fibre affects more than your colon: How the immune system, brain and overall health benefit too

Fibres can also have microbe-independent effects on our immune system when they interact directly with receptors expressed by our cells

Every other Delhiite exposed to novel coronavirus: Serosurvey shows

Experts differ over herd immunity but agree over continuation of Covid-appropriate behaviour

Human Cell Atlas: Scientists map more than a million human cells to understand disease genesis, maturity

Research will help develop precise diagnostics, new treatments

Why population immunity is not a realistic goal in Africa’s bid to control COVID-19

The threshold for reaching population immunity depends on many factors. One is the effectiveness of the vaccine. Another is how many people get …

Nature’s bounty to boost immunity at a Greater Noida village

A look at 10 medicinal plants known to enhance immunity and strengthen brain power

COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants

Vaccines train the immune system to recognise and respond to a particular pathogen, without first having to be infected by it

Omicron ‘re-infection’ raises questions about waning immunity against COVID-19. Here’s what we know

The metric being currently used to test waning immunity is an antibody test. Immunologists, however, have cautioned against an overreaction to …