On an average, Bihar has reported higher sero positivity with antibodies developed in 73% in population as compared to the national average of 67.6%.
In early 2020, during the initial phase of the Covid pandemic in India, a lot was discussed about herd immunity and how it would drastically bring down the number of cases.
The high prevalence of antibodies in the survey was not surprising since the city had witnessed as many as 8,500 daily cases in November 2020.
Van der Heever also expressed concern about the late discovery that COVID-19 was an airborne virus.
Herd immunity appears unlikely for COVID-19, but CDC says vaccinated people can ditch masks in most settings
When COVID-19 first began spreading, public health and medical experts began talking about the need for the U.S. to reach herd immunity to stop the coronavirus from spreading.
Door-to-door campaigns will help create awareness on benefits of vaccination: Doctors
A seroprevalence study found that the prevalence of Covid-19 antibodies was the same, around 54%, among individuals who had suffered prominent symptoms and those who were asymptomatic.
Seychelles began vaccinations in January, and by the end of February, about 44 per cent of those vaccinated had gotten a second shot.
Te country is nowhere near achieving herd immunity and as such people should continue to wear masks and maintain social distancing and hand hygiene to insulate themselves against the virus.
Herd immunity implies that in any set of people in a community, after becoming affected by the virus, a lot many of them become immune to it.
Latest sero survey shows 56.13 per cent of people in the Delhi have antibodies against Covid but scientists are wary.
Delhi could possibly be among the first few cities in the country whose large segment of population might be on road to attaining herd immunity.
Even as we had started to breathe somewhat easy about Covid, the country is being threatened by avian influenza or the bird flu.
Herd immunity. It’s a term that’s now in news again as the country began its nationwide rollout of Covid-19 vaccine on Saturday.
In recent weeks, Britain, the US, France, Canada, Germany, Israel, the Netherlands and others have begun vaccinating millions of their citizens against the coronavirus.