Prior Covid-19 infection more protective than vaccination during Delta surge — US study

20/1/2022 4:42:00 AM

Prior Covid-19 infection more protective than vaccination during Delta surge — US study - Reuters

Prior Covid-19 infection more protective than vaccination during Delta surge — US study - Reuters

CHICAGO/BENGALURU (Jan 20): People who had previously been infected with Covid-19 were better protected against the Delta variant than those who were vaccinated alone, suggesting that natural immunity was a more potent shield than vaccines against that variant, California and New York health officials reported on Wednesday (Jan 19).Protection against Delta was highest, however, among people who were both vaccinated and had survived a previous Covid-19 infection, and lowest among those who had never been infected or vaccinated, the study found.Nevertheless,

CHICAGO/BENGALURU (Jan 20): People who had previously been infected with Covid-19 were better protected against the Delta variant than those who were vaccinated alone, suggesting that natural immunity was a more potent shield than vaccines against that variant, California and New York health officials reported on Wednesday (Jan 19).

Protection against Delta was highest, however, among people who were both vaccinated and had survived a previous Covid-19 infection, and lowest among those who had never been infected or vaccinated, the study found.Nevertheless, vaccination remained the safest strategy against Covid-19, according to the report published in the US Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Report.

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Covid-19 vaccination: 42.7% of Malaysian adults boosted as of Jan 19KUALA LUMPUR (Jan 20): A total of 258,337 adults in Malaysia received their Covid-19 vaccine booster dose on Wednesday (Jan 19), bringing the cumulative number of booster shots administered to the adult population of the country to 10,002,472 for 42.7% of the group.According to the Ministry of Health’s (MoH) COVIDNOW portal, a total of 22,911,629 individuals or 97.9% of the adult population had completed their vaccination; 23,189,939 individuals or 99.1% of the group had received at least one jab.For adolescents aged 12 to 17,

Covid-19 (Jan 19): 3,229 cases, infectivity rate at 0.99COVID-19 | Cumulative infections now at 2,817,163.

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Covid-19 vaccination: 41.6% of Malaysian adults boosted as of Jan 18KUALA LUMPUR (Jan 19): A total of 127,066 individuals of the adult population of the country received the Covid-19 vaccine booster dose on Tuesday (Jan 18).This brought the cumulative number of booster doses administered to 9,744,147 for 41.6% of the group.According to the Ministry of Health’s (MoH) COVIDNOW portal, a total of 22,909,192 individuals or 97.9% of the adult population had completed their vaccination; 23,188,245 individuals or 99.1% of the group had received at least one dose of the Covid-19 vaccine.For adolescents aged 12

41.6% dewasa terima dos penggalak Covid-19 setakat semalam | The Malaysian InsightSeramai 22,909,192 individu atau 97.9% populasi dewasa lengkap menerima suntikan vaksin.

A CHICAGO/BENGALURU (Jan 20): People who had previously been infected with Covid-19 were better protected against the Delta variant than those who were vaccinated alone, suggesting that natural immunity was a more potent shield than vaccines against that variant, California and New York health officials reported on Wednesday (Jan 19).A KUALA LUMPUR (Jan 20): A total of 258,337 adults in Malaysia received their Covid-19 vaccine booster dose on Wednesday (Jan 19), bringing the cumulative number of booster shots administered to the adult population of the country to 10,002,472 for 42...

Protection against Delta was highest, however, among people who were both vaccinated and had survived a previous Covid-19 infection, and lowest among those who had never been infected or vaccinated, the study found. Nevertheless, vaccination remained the safest strategy against Covid-19, according to the report published in the US Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Report. According to the Ministry of Health’s (MoH) COVIDNOW portal, a total of 22,911,629 individuals or 97. The results do not apply to the Omicron variant of the virus, which now accounts for 99.5% of Covid-19 cases in the US.1% of the group had received at least one jab. "The evidence in this report does not change our vaccination recommendations," Dr Ben Silk of the CDC and one of the study's authors told a media briefing.

"We know that vaccination is still the safest way to protect yourself against Covid-19," he said.2% of them had completed their vaccination; 2,862,423 individuals or 90. For the study, health officials in California and New York gathered data from May through November, which included the period when the Delta variant was dominant. It showed that people who survived a previous infection had lower rates of Covid-19 than people who were vaccinated alone. The daily statistics also showed that a total of 264,635 vaccine doses were administered on Wednesday, which included 1,981 as first shots and 4,317 as second jabs, bringing the cumulative number of vaccine doses administered under the National Covid-19 Immunisation Programme to 61,540,069. That represented a change from the period when the Alpha variant was dominant, Silk told the briefing. "Before the Delta variant, Covid-19 vaccination resulted in better protection against a subsequent infection than surviving a previous infection," he said. Meanwhile, according to the MoH's GitHub portal, 13 Covid-19 deaths were reported on Wednesday, with Kuala Lumpur, Sabah and Pulau Pinang recording two cases each, followed by one fatality each in Selangor, Perlis, Negeri Sembilan, Melaka, Kedah, Johor and Kelantan.

In the summer and fall of 2021, however, when Delta became the predominant circulating iteration of the virus in the US,"surviving a previous infection now provided greater protection against the subsequent infection than vaccination", he added. But acquiring immunity through natural infection carries significant risks. According to the study, by Nov 30, 2021, roughly 130,781 residents of California and New York had died from Covid-19. The analysis did not include information on the severity of initial infection, nor does it account for the full range of illness caused by prior infection. One important limitation to the study was that it ended before administration of vaccine booster doses was widespread.

Dr Erica Pan, the state epidemiologist for the California Department of Public Health, said in an email that the study"clearly shows" that vaccines provide the safest protection against Covid-19 and they offer added protection for those with prior infections. "Outside of this study, recent data on the highly contagious Omicron variant shows that getting a booster provides significant additional protection against infection, hospitalisation and death,” Pan added. Silk, meanwhile, said the CDC is studying the impact of vaccination, boosters and prior infection during the Omicron surge and expects to issue further reports when that data becomes available. Subscribe to Mid-day email alert We deliver news to your inbox daily .