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National serosurvey results do not reflect the heterogeneity of seroprevalence between districts and even between states, the ministry said. (PTI)

Explained: Does Kerala have lowest immunity against Covid-19?

By hindustantimes.com | Written by Poulomi Ghosh
PUBLISHED ON JUL 28, 2021 07:22 PM IST
According to the state-wise seroprevalence percentage, released by the Union health ministry of Wednesday, Madhya Pradesh has the highest seroprevalence and Kerala has the lowest.
The BrihanMumbai Municipal Corporation said that 2,176 blood samples were tested as part of sero survey.(Representative Photo/PTI)
The BrihanMumbai Municipal Corporation said that 2,176 blood samples were tested as part of sero survey.(Representative Photo/PTI)

Over 50% of children in Mumbai have Covid-19 antibodies, shows sero survey

By hindustantimes.com | Written by Amit Chaturvedi, Hindustan Times, New Delhi
PUBLISHED ON JUN 28, 2021 06:36 PM IST
The sero survey was conducted amid fears of a third wave of the coronavirus disease, which is expected to affect children disproportionately. The BrihanMumbai Municipal Corporation said that sero prevalence has increased from March survey.
The 6th sero study was curtailed due to spike in cases.(HT archive)
The 6th sero study was curtailed due to spike in cases.(HT archive)

Cut short by fourth wave, Delhi’s latest sero study offers few clues

By HT Correspondent, Hindustan Times, New Delhi
PUBLISHED ON JUN 24, 2021 03:55 AM IST
The report, submitted to the government last Monday, hasn’t officially been released and holds little epidemiological value since less than half of the planned sampling actually took place, and the serological prevalence triggered by the fourth wave would only be detectable much later.
The findings of the ongoing sero survey are based on a mid-term analysis of the data of the 4,509 participants -- 700 children in the 2-17 years age group. (File Photo / PTI)
The findings of the ongoing sero survey are based on a mid-term analysis of the data of the 4,509 participants -- 700 children in the 2-17 years age group. (File Photo / PTI)

Third Covid wave may not hit kids disproportionately: WHO-AIIMS sero survey

By hindustantimes.com | Written by Joydeep Bose
PUBLISHED ON JUN 18, 2021 08:14 AM IST
The interim findings of the ongoing sero survey point out that the SARS-CoV-2 seropositivity rate in children aged two years and above is comparable to that in adults and thus there is no statistical evidence to suggest that the 2-17 age group is especially vulnerable to a potential third wave.
The sero survey will help determine the effect and efficacy of vaccination, official have said,(Raj K Raj/HT Photo)
The sero survey will help determine the effect and efficacy of vaccination, official have said,(Raj K Raj/HT Photo)

Sero survey in Haryana from today. What you need to know

By hindustantimes.com | Written by Meenakshi Ray, New Delhi
PUBLISHED ON JUN 15, 2021 07:08 AM IST
The sero survey, the third round, is being conducted is to identify the impact of the second wave of the coronavirus pandemic on the community.
Assam chief minister Himanta Biswa Sarma inaugurates 300-bedded COVID hospital by State Government and DRDO, at Indira Gandhi Stadium in Guwahati,(PTI)
Assam chief minister Himanta Biswa Sarma inaugurates 300-bedded COVID hospital by State Government and DRDO, at Indira Gandhi Stadium in Guwahati,(PTI)

News updates from HT: Assam opens Covid hospital built by DRDO in 20 days

By hindustantimes.com, Hindustan Times, New Delhi
PUBLISHED ON JUN 10, 2021 01:03 PM IST
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ICMR’s National Institute of Epidemiology in Chennai has been the nodal agency for all past surveys and will most likely supervise the fourth one as well. (HT Archive)
ICMR’s National Institute of Epidemiology in Chennai has been the nodal agency for all past surveys and will most likely supervise the fourth one as well. (HT Archive)

Covid-19: ICMR plans 4th nationwide sero survey

By Rhythma Kaul, Hindustan Times, New Delhi
UPDATED ON JUN 01, 2021 06:56 AM IST
Experts also say that the fourth survey will be different from the other three surveys as apart from a sudden, massive surge, a section of the population has also been vaccinated in the past four months.
Medical staff work with samples taken during a serological survey for Covid-19 prevalence detection in New Delhi in October 2020. (HT Archive)
Medical staff work with samples taken during a serological survey for Covid-19 prevalence detection in New Delhi in October 2020. (HT Archive)

Sero survey in Delhi likely after lockdown

By Anonna Dutt, New Delhi
PUBLISHED ON MAY 23, 2021 02:30 AM IST
The government has been carrying out sero surveys to measure the rate of exposure to the Sars-Cov-2 virus, which causes Covid-19.
These seroprevalence rates have been found to be a little higher than that in general population which has been estimated as 21.5 per cent.(ANI FILE)
These seroprevalence rates have been found to be a little higher than that in general population which has been estimated as 21.5 per cent.(ANI FILE)

Overall Covid-19 seropositivity among healthcare workers over 25 per cent

PTI | , New Delhi
PUBLISHED ON FEB 09, 2021 01:42 PM IST
Sero survey or Seroprevalence studies are based on analysis of antibodies collected through blood sample collection.
Experts said the findings of the report show that a large proportion of the country – nearly 80% – remains susceptible to the virus.(HT Photo | Representational image)
Experts said the findings of the report show that a large proportion of the country – nearly 80% – remains susceptible to the virus.(HT Photo | Representational image)

One in 5 Indians exposed to coronavirus, says sero survey

By Rhythma Kaul, New Delhi
UPDATED ON FEB 05, 2021 07:52 AM IST
A serological test is to detect whether a person has antibodies to the Sars-Cov-2, which would indicate a past infection.
Health minister of Delhi Satyendar Jain addresses during a press conference, in New Delhi. (PTI)
Health minister of Delhi Satyendar Jain addresses during a press conference, in New Delhi. (PTI)

A look at serological surveys conducted in Delhi

By hindustantimes.com | Edited by Mallika Soni
PUBLISHED ON FEB 02, 2021 06:50 PM IST
Delhi’s first serological survey was done in the city in June-July and it had shown that 23.4% of people surveyed had developed antibodies against the virus. Similar surveys in August showed that 29.1% of people had antibodies and 25.1% in September.
Sero survey or Seroprevalence studies are based on analysis of antibodies collected through blood sample collection(Raj K Raj/HT PHOTO)
Sero survey or Seroprevalence studies are based on analysis of antibodies collected through blood sample collection(Raj K Raj/HT PHOTO)

Indian startup develops tech to complete Covid-19 sero survey of 1 cr samples in a week

New Delhi | By Press Trust of India | Posted by Ayshee Bhaduri
UPDATED ON DEC 13, 2020 12:12 PM IST
The Delhi-based company has partnered with state-run ITI to host its data and also done a proof of concept with the public sector firm. The company has partnered with Korean biotechnology firm Boditech Med Incorporated for hardware.
A health worker takes a swab sample of a resident in Thane on Saturday.(Praful Gangurde)
A health worker takes a swab sample of a resident in Thane on Saturday.(Praful Gangurde)

Maharashtra reports fewer than 5,000 fresh infections for eighth straight day

By Faisal Malik, Mumbai
UPDATED ON DEC 13, 2020 04:42 AM IST
Maharashtra recorded 4,259 Covid-19 cases on Saturday, the eighth day of fewer than 5,000 fresh infections, pushing the state’s tally to 1,876,699.
A man gives a swab sample for coronavirus testing in Govindpuri, New Delhi.(Biplov Bhuyan/HT PHOTO)
A man gives a swab sample for coronavirus testing in Govindpuri, New Delhi.(Biplov Bhuyan/HT PHOTO)

New sero survey shows 1 in 4 exposed to Covid-19 in Delhi

Hindustan Times, New Delhi | By Anonna Dutt and Richa Banka
UPDATED ON NOV 12, 2020 06:15 AM IST
The report also showed that a large proportion (43.5%) of people who had previously been diagnosed with Covid-19 remained sero-negative.
(Representative image)
(Representative image)

Sero survey: Virus prevalence high in homemakers in Haryana

Hindustan Times, Chandigarh | By Hitender Rao, Chandigarh
UPDATED ON NOV 04, 2020 04:33 PM IST
The survey was conducted to determine the extent of coronavirus spread and measure the proportion of population exposed to infection including asymptomatic individuals.
A health worker wearing PPE kit collects sample from a woman for Covid-19 test in Chanpora, Srinagar.(PTI)
A health worker wearing PPE kit collects sample from a woman for Covid-19 test in Chanpora, Srinagar.(PTI)

Sero survey shows Covid-19 antibodies in 27% population of Kashmir’s Pulwama

Hindustan Times, Srinagar | By Ashiq Hussain | Edited by Sparshita Saxena
UPDATED ON OCT 03, 2020 10:42 PM IST
Three months ago, the first survey showed that just 2 percent of the population had developed Covid-19 antibodies in Pulwama.
ICMR’s first countrywide sero survey that was conducted between May 11 and June 4 showed overall infection prevalence to be 0.73%.(HT PHOTO)
ICMR’s first countrywide sero survey that was conducted between May 11 and June 4 showed overall infection prevalence to be 0.73%.(HT PHOTO)

One in 15 above 10 yrs of age exposed to Covid-19, reveals ICMR sero survey results

Hindustan Times, New Delhi | By Rhythma Kaul
UPDATED ON SEP 30, 2020 08:17 AM IST
The second survey was conducted during August 17 and September 22, in the same 700 villages and wards from 70 districts in 21 States that were covered in the first survey. Blood samples were collected from 29,082 individuals.
A health worker collects a swab sample from a person to test for coronavirus infection at Bhagwati Vidya Mandir School in Madanpuri, Gurugram on Tuesday.(Parveen Kumar/HT Photo)
A health worker collects a swab sample from a person to test for coronavirus infection at Bhagwati Vidya Mandir School in Madanpuri, Gurugram on Tuesday.(Parveen Kumar/HT Photo)

88 million in India may have been exposed to Sars-Cov2: Sero survey

Hindustan Times, New Delhi | By Rhythma Kaul
UPDATED ON SEP 30, 2020 01:46 AM IST
Urban slum (15.6%) and non-slum (8.2%) areas had higher Sars-Cov2 infection prevalence than that of rural areas (4.4%), and prevalence in adults (above 18 years of age) was also higher at 7.1%, the findings show.
A health worker in PPE coveralls collects a swab samples for coronavirus testing, at Hudson Lane, in New Delhi on Sunday.(Sanchit Khanna/HT PHOTO)
A health worker in PPE coveralls collects a swab samples for coronavirus testing, at Hudson Lane, in New Delhi on Sunday.(Sanchit Khanna/HT PHOTO)

India far from any kind of herd immunity against Sars-CoV-2: Govt

Hindustan Times, New Delhi | By Rhythma Kaul
UPDATED ON SEP 28, 2020 05:45 AM IST
Harsh Vardhan said the results of the second Covid-19 sero survey will soon be made public, but cautioned that people should guard against a sense of complacence.
A health worker collects a swab sample for coronavirus testing at Sukhdev Vihar in New Delhi on Saturday.(Sanchit Khanna/HT Photo)
A health worker collects a swab sample for coronavirus testing at Sukhdev Vihar in New Delhi on Saturday.(Sanchit Khanna/HT Photo)

4th sero survey likely to be delayed: Delhi govt

Hindustan Times, New Delhi | By HT Correspondent, New Delhi
UPDATED ON SEP 27, 2020 03:17 AM IST
The prevalence of antibodies against the Sars-CoV-2 virus, which causes Covid-19, increased from 29.1% in August to 33% in September, according to the initial findings of the third round of sero survey
Sero survey is done by analysing blood samples of selected individuals for antibodies against Sars-Cov-2, the virus that causes Covid-19.(Sanchit Khanna/HT PHOTO)
Sero survey is done by analysing blood samples of selected individuals for antibodies against Sars-Cov-2, the virus that causes Covid-19.(Sanchit Khanna/HT PHOTO)

Final analysis of second round of national Covid-19 sero survey underway: ICMR

Hindustan Times, New Delhi | By Rhythma Kaul
UPDATED ON SEP 21, 2020 09:17 AM IST
Close to 24,000 samples have been tested across the same 69 districts in 21 states that were covered in the first round of national sero survey
A member of the national task force on Covid-19 said the agency was being reluctant in sharing full data with the panel.(HT Photo)
A member of the national task force on Covid-19 said the agency was being reluctant in sharing full data with the panel.(HT Photo)

As criticism pours in, ICMR denies it hid data

Hindustan Times, New Delhi | By HT Correspondent, New Delhi:
UPDATED ON SEP 21, 2020 12:32 AM IST
The findings relate to the first round of surveys to detect antibodies to the Sars-Cov2 virus, which would indicate that the disease silently spread without people being symptomatic or recorded in disease testing. Known as a serological survey or a sero survey, the study was conducted between May 11 and June 4.
The data published on the first sero survey in the Indian Journal of Medical Research (IJMR) showed that an estimated 6.4 million people had contracted the infection around early May .(Representational Photo/ANI)
The data published on the first sero survey in the Indian Journal of Medical Research (IJMR) showed that an estimated 6.4 million people had contracted the infection around early May .(Representational Photo/ANI)

Results of 2nd national sero survey to be out by September-end: ICMR

Hindustan Times, New Delhi | By Rhythma Kaul
UPDATED ON SEP 16, 2020 09:44 AM IST
The findings of the first national population-based sero survey indicated that 0.73% of adults in India were exposed to SARS-CoV-2, which causes Covid-19
According to the Harvard Medical School, the reported rate of false negatives in antigen tests could be as high as 50%.(Sunil Ghosh / Hindustan Times)
According to the Harvard Medical School, the reported rate of false negatives in antigen tests could be as high as 50%.(Sunil Ghosh / Hindustan Times)

Covid-19: What you need to know today

Hindustan Times, New Delhi | By R Sukumar
UPDATED ON SEP 12, 2020 05:49 AM IST
Many rapid antigen tests are inaccurate when it comes to so-called false negatives. In plain English, this means they show infected individuals as uninfected.
A health worker holds blood samples collected for coronavirus sero-survey, in Sadar Bazaar, New Delhi on September 4.(Sanchit Khanna/HT photo)
A health worker holds blood samples collected for coronavirus sero-survey, in Sadar Bazaar, New Delhi on September 4.(Sanchit Khanna/HT photo)

ICMR publishes first sero survey results; 6.4 million were likely Covid-19 infected around May

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON SEP 11, 2020 09:56 AM IST
In percentage, the national prevalence was found to be 0.73%. The worst-affected were those between the age group of 18 and 45 years, as 43.3% had developed antibodies against SARS-CoV-2, which causes Covid-19
The districts where the survey will be conducted are Meerut, Lucknow, Kanpur, Varanasi, Gorakhpur, Kaushambi, Prayagraj, Moradabad, Ghaziabad, Baghpat and Agra.(PTI)
The districts where the survey will be conducted are Meerut, Lucknow, Kanpur, Varanasi, Gorakhpur, Kaushambi, Prayagraj, Moradabad, Ghaziabad, Baghpat and Agra.(PTI)

Sero survey begins in 11 UP districts today

Hindustan Times, Lucknow | By HT Correspondent
PUBLISHED ON SEP 04, 2020 08:31 AM IST
The Uttar Pradesh health department will begin a serological survey in 11 districts of the state, including Lucknow, from Friday to determine the prevalence of the coronavirus infection among people
A healthcare worker wearing personal protective equipment (PPE) takes a swab from a woman for a rapid antigen test inside an office.(REUTERS)
A healthcare worker wearing personal protective equipment (PPE) takes a swab from a woman for a rapid antigen test inside an office.(REUTERS)

Five-day sero survey in Agra to begin from Friday

Hindustan Times, Agra | By HT Correspondent |Edited by Sparshita Saxena
UPDATED ON SEP 03, 2020 07:00 PM IST
The survey is to be undertaken across 11 districts of Uttar Pradesh and was scheduled earlier but dates were extended twice.
Results have been released from 20 rounds of seroprevalence studies that have been conducted across the country by state governments to calculate the spread of Sars-CoV-2 — the virus that causes Covid-19.(Bloomberg file photo)
Results have been released from 20 rounds of seroprevalence studies that have been conducted across the country by state governments to calculate the spread of Sars-CoV-2 — the virus that causes Covid-19.(Bloomberg file photo)

What sero surveys tell us about Covid in India

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON SEP 03, 2020 01:04 PM IST
The sampling has already started for the ICMR’s second serosurvey, with many states finishing sample collection and the others in various stages of completing the process.
A health worker returns after taking a nasal swab sample to test for Covid-19 in New Delhi, India, Tuesday, Sept. 1, 2020.(AP photo)
A health worker returns after taking a nasal swab sample to test for Covid-19 in New Delhi, India, Tuesday, Sept. 1, 2020.(AP photo)

As Delhi begins sero study, cases hit 59-day high

Hindustan Times, New Delhi | By Anonna Dutt
UPDATED ON SEP 02, 2020 01:02 AM IST
Delhi reported 2,312 new Covid-19 cases on Tuesday — the highest in 59 days — according to the Delhi government. This is the second time in a week that the number of new cases has breached the 2,000-mark in the city.
Officials said 1,080 blood samples will be collected from select groups of people for the survey in each of the 11 districts. The samples will be sent to the KGMU to determine the presence of antibodies.(HT Photo)
Officials said 1,080 blood samples will be collected from select groups of people for the survey in each of the 11 districts. The samples will be sent to the KGMU to determine the presence of antibodies.(HT Photo)

Sero survey in 11 UP districts from Friday

Hindustan Times, Lucknow | By HT Correspondent
UPDATED ON SEP 01, 2020 01:34 PM IST
UP will conduct its first serological survey to determine the prevalence of coronavirus infection among people in Meerut, Lucknow, Kanpur, Varanasi, Gorakhpur, Kaushambi, Prayagraj, Moradabad, Ghaziabad, Baghpat and Agra from September 4 to 6
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