Covid 19-immunity

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Covid 19-immunity - Total results - 9
US scientists develop nasal spray to prevent COVID-19, effective for six months
science

US scientists develop nasal spray to prevent COVID-19, effective for six months

A key advantage of this approach is that it doesn't need a competent immune system for it to be effective in preventing COVID-19.

Effective immunity to SARS-CoV-2 infection, once developed, could last years, new data hints
science

Effective immunity to SARS-CoV-2 infection, once developed, could last years, new data hints

The study, while still under peer-review, is the most comprehensive and long-ranging study of immune memory to the coronavirus to date.

Lancet study finds COVID-19 reinfection possible, says more severe symptoms likely on relapse
Health

Lancet study finds COVID-19 reinfection possible, says more severe symptoms likely on relapse

The study said a 25-year old male patient was infected with two distinct SARS-CoV-2 variants within a 48-day time frame, while testing negative in between the infections

COVID-19 immunity: Declining and pre-existing antibodies, the concept of T-cell immunity and what reinfection could mean
Health

COVID-19 immunity: Declining and pre-existing antibodies, the concept of T-cell immunity and what reinfection could mean

Several studies have indicated the presence of robust T-cell immunity against the COVID-19 causing virus in people even after their antibodies were depleted

COVID-19 asymptomatics: Why some people contract and recover from a SARS-CoV-2 infection unscathed
science

COVID-19 asymptomatics: Why some people contract and recover from a SARS-CoV-2 infection unscathed

No fever or chills. No loss of smell or taste. No breathing difficulties. They don’t feel a thing.

Confirmed cases of COVID-19 reinfection in Hong Kong, EU, India don't change vaccine agenda, experts say
World

Confirmed cases of COVID-19 reinfection in Hong Kong, EU, India don't change vaccine agenda, experts say

The intensity and duration of the immune response against SARS-CoV-2 is a crucial in determining how long vaccines will be effective for, and how frequently a booster is needed.

Some 6,000 COVID-19 patients supposedly treated with Siddha medicine in Tamil Nadu
India

Some 6,000 COVID-19 patients supposedly treated with Siddha medicine in Tamil Nadu

A typical day at the Siddha treatment centre involves salt water gargling, Yoga, pranayama and mudra practices, as well as counselling.

Vaccine with an adjuvant may boost immune system's response against COVID-19, claim researchers
Health

Vaccine with an adjuvant may boost immune system's response against COVID-19, claim researchers

Adjuvants are substances that are used in combination with a vaccine to produce a more robust immune response than what the vaccine alone would provide

Coronavirus could 'burn out' on its own before we have a working vaccine: Former WHO chief
science

Coronavirus could 'burn out' on its own before we have a working vaccine: Former WHO chief

A widely-distributed vaccine, according to many in the medical fraternity, is the only way to immunize those vulnerable, like older adults and those with underlying conditions.