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<ul><li>A new study claims that Covid vaccine protection is short-lived.</li><li><keyword id="44612" type="General" weightage="80" keywordseo="pfizer" source="Orion">Pfizer</keyword> and <keyword id="4912868" type="General" weightage="50" keywordseo="moderna" source="Orion">Moderna</keyword> vaccines offer a longer duration of protection, says a new study.</li><li>In India, <keyword id="2825536" type="General" weightage="20" keywordseo="booster-dose" source="Orion">booster dose</keyword> will be available for free from July 15 till the next 75 days</li></ul>Vaccine protection against Covid-19 is short-lived and, therefore, <keyword id="11223232" type="General" weightage="20" keywordseo="booster-shots" source="Orion">booster shots</keyword> are important, says a new study. "The mRNA vaccines produce the highest levels of antibody response and in our analysis confer more durable protection than other vaccines or exposures," said lead author Jeffrey Townsend from Yale University, in the study, published in the journal Proceedings of the National Academy of Sciences. "However, it is important to remember that natural immunity and vaccination are not mutually exclusive. Many people will have partial immunity from multiple sources, so understanding the relative durability is key to deciding when to provide a boost to your immune system," Townsend added. Since Covid-19 vaccines first became available to protect against infection and severe illness, there has been much uncertainty about how long the protection lasts and when it might be necessary for individuals to get an additional booster shot. For the study, the team quantified the likelihood of future infection following natural infection or vaccination by the Moderna, Pfizer, Johnson &amp; Johnson, or Oxford-AstraZeneca vaccines. The risk of breakthrough infections, in which a person becomes infected despite being vaccinated, depends on the vaccine type. According to the study, current mRNA vaccines (Pfizer, Moderna) offer the greatest duration of protection, nearly three times as long as natural infection and the Johnson &amp; Johnson and Oxford-AstraZeneca vaccines. SEE ALSO: <a href="https://www.businessinsider.in/business/news/hdfcs-net-profit-grows-by-19-other-income-grows-by-35/articleshow/92918390.cms">HDFC’s net profit grows by 19%, other income grows by 35%</a> <a href="https://www.businessinsider.in/finance/news/rupee-at-80-heres-how-a-falling-rupee-could-impact-indias-current-account-deficit/articleshow/92897064.cms">Rupee at 80: Here’s how a falling Rupee could impact India's current account deficit</a>

Booster shots important says new study as Covid vaccine protection is short-lived

As of now no second Covid-19 booster dose is required, said government sources amid an apparent increase in Covid-19 cases. "First we have to complete the booster drive in the country," said the government sources. India's active caseload currently stands at 2,582, with 134 new cases recorded in the last 24 hours, as per <keyword id="83655" type="General" weightage="80" keywordseo="union-health-ministry" source="Orion">Union Health Ministry</keyword> data. As per ministry data, a total of 220.11 cr vaccine doses (95.13 cr <keyword id="7334317" type="General" weightage="80" keywordseo="second-dose" source="Orion">Second Dose</keyword> and 22.41 cr <keyword id="12813770" type="General" weightage="80" keywordseo="precaution-dose" source="Orion">Precaution Dose</keyword>) have been administered so far under <keyword id="10580665" type="General" weightage="80" keywordseo="nationwide-vaccination-drive" source="Orion">Nationwide Vaccination Drive</keyword>. SEE ALSO: <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/tech/apps/news/series-creators-want-more-money-after-ads-appear-on-netflix/articleshow/96700323.cms">Series creators want more money after ads appear on Netflix</a> <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/thelife/news/pope-benedict-xvi-a-man-at-odds-with-the-modern-world-who-leaves-a-legacy-of-intellectual-brilliance-and-controversy/articleshow/96699003.cms">Pope Benedict XVI: A man at odds with the modern world who leaves a legacy of intellectual brilliance and controversy</a>

No second Covid-19 booster dose required: Govt sources

<ul><li>DCGI has approved market authorisation for the COVID-19 vaccine <keyword id="10678894" type="General" weightage="100" keywordseo="covovax" source="Orion">Covovax</keyword> as a heterologous booster dose for adults.</li><li>The DCGI's approval came following recommendations by the <keyword id="3923779" type="General" weightage="50" keywordseo="subject-expert-committee" source="Orion">Subject Expert Committee</keyword> of the Central Drugs Standard Control Organisation (<keyword id="6375144" type="General" weightage="50" keywordseo="cdsco" source="Orion">CDSCO</keyword>).</li></ul>The <keyword id="6386816" type="General" weightage="50" keywordseo="drug-controller-general-of-india" source="Orion">Drug Controller General of India</keyword> (DCGI ) has approved market authorisation to COVID-19 vaccine Covovax as a heterologous booster dose for adults who have been administered two doses of <keyword id="9617748" type="General" weightage="50" keywordseo="covishield" source="Orion">Covishield</keyword> or <keyword id="9485939" type="General" weightage="50" keywordseo="covaxin" source="Orion">Covaxin</keyword>, official sources said on Monday. The DCGI's approval came following recommendation by the Subject Expert Committee of the Central Drugs Standard Control Organisation (CDSCO). Prakash Kumar Singh, Director of Government and Regulatory Affairs at the <keyword id="95879" type="General" weightage="50" keywordseo="serum-institute-of-india" source="Orion">Serum Institute of India</keyword> (<keyword id="52604" type="General" weightage="80" keywordseo="sii" source="Orion">SII</keyword>), had recently written to the DCGI for the approval of Covovax heterologous booster dose for those aged 18 years and above in view of escalating COVID-19 pandemic situation in some countries, an official source had said. "The Subject Expert Committee of the CDSCO on Wednesday deliberated on the issue and had recommended for market authorisation of Covid jab Covovax as a heterologous booster dose for adults who have been administered two doses of Covishield or Covaxin," an official source said. The DCGI had approved Covovax for restricted use in emergency situations in adults on December 28, 2021, in the 12-17 age group on March 9, 2022, and in children aged 7- 11 years on June 28 last year subject to certain conditions. Covovax is manufactured through technology transfer from Novavax. It has been approved by the European Medicines Agency for conditional marketing authorisation. It was granted emergency-use listing by the <keyword id="43588" type="General" weightage="50" keywordseo="world-health-organization" source="Orion">World Health Organization</keyword> (WHO) on December 17, 2021. In August 2020, US-based vaccine maker Novavax Inc. had announced a licence agreement with the SII for the development and commercialization of NVX-CoV2373, its COVID-19 vaccine candidate in <keyword id="3658" type="General" weightage="50" keywordseo="india" source="Orion">India</keyword> and low-and-middle-income countries. SEE ALSO: <a href="https://www.businessinsider.in/tech/news/amazon-great-republic-day-sale-2023-best-deals-and-offers-on-tvs/articleshow/96987966.cms">Amazon Great Republic Day Sale 2023 – Best deals and offers on TVs</a> <a href="https://www.businessinsider.in/tech/apps/news/these-audio-setting-tweaks-can-make-music-sound-better-on-spotify/articleshow/96876010.cms">These audio setting tweaks can make music sound better on Spotify</a>

Serum Institute's Covovax gets DCGI approval as a heterologous booster dose

New Delhi, As India gets readied for a <keyword id="10424473" type="UNKNOWN" weightage="20" keywordseo="massive-covid-vaccination-programme">massive Covid vaccination programme</keyword>, heath experts on Sunday said that 21 days is an ideal gap between the first and the <keyword id="10424474" type="UNKNOWN" weightage="20" keywordseo="second-booster-dose">second booster dose</keyword>, and those who get vaccinated have to maintain the same health hygiene as they are supposed to do sans vaccine for a certain time period. Union Health Ministry Secretary Rajesh Bhushan had said that 30 crore people have been listed in prioritised population groups, which involves one crore healthcare workers, two crore personnel from the police department, armed forces, home guard, civil defence organisation and 27 crore people above the age of 50 and below 50 with co-morbidities. The government is expected to roll out its <keyword id="9849917" type="UNKNOWN" weightage="20" keywordseo="first-vaccines">first vaccines</keyword> in the next few weeks with at least three candidates under the <keyword id="6681091" type="UNKNOWN" weightage="20" keywordseo="active-consideration">active consideration</keyword> of India's drug regulator. According to Dr Manoj Goel, Director, Pulmonology at Fortis Hospital in Gurugram, after taking the first dose, the second dose has to be ideally taken on the 21st day. "After the vaccination, one can resume their normal day to day activities. In between also, there are no guidelines to sit at home and people can carry on their usual activities by taking the basic precautions like social distancing, wearing a mask and frequent sanitising of hands," Goel told IANS. The Union Health Ministry had said that 1.54 lakh vaccinators or auxiliary nurse midwives will administer the <keyword id="8763838" type="UNKNOWN" weightage="20" keywordseo="covid-19">Covid-19</keyword> vaccine to people under the universal immunisation programme when the vaccination process begins. According to Dr Jyoti Mutta, Senior Consultant, Microbiology at Sri Balaji Action Medical Institute in New Delhi, there are a number of vaccines which have different schedules and these vaccine schedules are determined by clinical trials. "Talking about Pfizer vaccine in this regard, two doses are suggested 21 days apart and two doses 28 days apart for AstraZeneca vaccine. Also, the proper rest and precautions are suggested during this period in order to avoid infection and proper care," she told IANS. Dr Mutta also stressed that staying at home is not particularly defined as a precautionary measure but complete care is recommended. "Taking precautions like wearing a mask, social distancing and hand hygiene is important to avoid infection," she noted. Dr Neha Gupta, Infectious Diseases Physician at Medanta Hosptial in Gurugram told IANS: "Vaccine requires two doses 21 days apart and usually the protective efficacy is seven days after the second dose. So, patients need to continue precautions after the first dose of vaccine." There are as many as eight <keyword id="8983421" type="UNKNOWN" weightage="20" keywordseo="Covid-vaccine">Covid vaccine</keyword> candidates under different stages of clinical trials which could be ready for authorisation in near future. The vaccines include Covaxin, Astrazeneca and Oxford university developed and Serum Institute of India manufactured <keyword id="9617748" type="COMPANY" weightage="20" keywordseo="covishield">Covishield</keyword>, ZyCoV-D by Zydus Cadila, Russian vaccine candidate Sputnik-V, NVX-CoV2373 by SII, HGCO19 by Geneva, and two unlabelled vaccines - Recombinant Protein antigen-based vaccine by Biological E Limited and Inactivated rabies vector platform by <keyword id="7330627" type="COMPANY" weightage="20" keywordseo="Bharat-Biotech-Limited">Bharat Biotech Limited</keyword>. Pune-based Serum Institute of India and Hyderabad-based pharmaceutical firm Bharat Biotech have already applied to the Drugs Controller General of India (DCGI) seeking emergency use authorisation for their potential Covid-19 vaccines. SEE ALSO: <a href="https://www.businessinsider.in/science/space/news/dos-and-donts-during-solar-eclipse-surya-grahan/articleshow/76436997.cms">The do’s and don’ts of a Solar Eclipse — here what you need to know to protect yourself</a> <a href="https://www.businessinsider.in/science/space/news/solar-eclipse-december-2020-time-date-everything-you-need-to-know/articleshow/79697355.cms">The total solar eclipse and its 'diamond rings' won't be visible in India on December 14</a>

You Searched For "booster dose in india" and got 4 results

Booster shots important says new study as Covid vaccine protection is short-lived

IANS

No second Covid-19 booster dose required: Govt sources

ANI

Serum Institute's Covovax gets DCGI approval as a heterologous booster dose

PTI

Experts believe COVID-19 vaccine doses need a at least a 21-day gap between them

IANS

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