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What is herd immunity to Covid?


Daaarling

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Herd immunity antey 60% people ki vachesindi Anuko. Then those 60% can’t get again and can’t spread as welll. So remaining 40% May be out of Woods. some times we may need 70-80% infection to achieve here immunity 

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On 9/30/2020 at 10:01 PM, Aryaa said:

Herd immunity antey 60% people ki vachesindi Anuko. Then those 60% can’t get again and can’t spread as welll. So remaining 40% May be out of Woods. some times we may need 70-80% infection to achieve here immunity 

oh ok now I understand

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On 9/27/2020 at 12:53 PM, Daaarling said:

How it is developed?

What will it take to achieve herd immunity with SARS-CoV-2?

As with any other infection, there are two ways to achieve herd immunity: A large proportion of the population either gets infected or gets a protective vaccine. 

  • In the worst case (for example, if we do not perform physical distancing or enact other measures to slow the spread of SARS-CoV-2), the virus can infect this many people in a matter of a few months. This would overwhelm our hospitals and lead to high death rates.
  • In the best case, we maintain current levels of infection—or even reduce these levels—until a vaccine becomes available. This will take concerted effort on the part of the entire population, with some level of continued physical distancing for an extended period, likely a year or longer, before a highly effective vaccine can be developed, tested, and mass produced.
  • The most likely case is somewhere in the middle, where infection rates rise and fall over time; we may relax social distancing measures when numbers of infections fall, and then may need to re-implement these measures as numbers increase again. Prolonged effort will be required to prevent major outbreaks until a vaccine is developed. Even then, SARS-CoV-2 could still infect children before they can be vaccinated or adults after their immunity wanes. But it is unlikely in the long term to have the explosive spread that we are seeing right now because much of the population will be immune in the future.

Why is getting infected with SARS-CoV-2 to “get it over with” not a good idea?

With some other diseases, such as chickenpox before the varicella vaccine was developed, people sometimes exposed themselves intentionally as a way of achieving immunity. For less severe diseases, this approach might be reasonable. But the situation for SARS-CoV-2 is very different: COVID-19 carries a much higher risk of severe disease and even death.

The death rate for COVID-19 is unknown, but current data suggest it is 10 times higher than for the flu. It’s higher still among vulnerable groups like the elderly and people with weakened immune systems. Even if the same number of people ultimately get infected with SARS-CoV-2, it’s best to space those infections over time to avoid overwhelming our doctors and hospitals. Quicker is not always better, as we have seen in previous epidemics with high mortality rates, such as the 1918 Flu pandemic.

What should we expect in the coming months?

Scientists are working furiously to develop an effective vaccine. In the meantime, as most of the population remains uninfected with SARS-CoV-2, some measures will be required to prevent explosive outbreaks like those we’ve seen in places like New York City.

The physical distancing measures needed may vary over time and will not always need to be as strict as our current shelter-in-place laws. But unless we want hundreds of millions of Americans to get infected with SARS-CoV-2 (what it would take to establish herd immunity in this country), life is not likely to be completely “normal” again until a vaccine can be developed and widely distributed.

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On 9/30/2020 at 8:01 AM, Aryaa said:

Herd immunity antey 60% people ki vachesindi Anuko. Then those 60% can’t get again and can’t spread as welll. So remaining 40% May be out of Woods. some times we may need 70-80% infection to achieve here immunity 

pichi peak velladam ante idhe... oka sari Covid vachina vadiki malli radu ane guarantee ledu... also side effects unnayi.... 

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9 hours ago, Joker_007 said:

pichi peak velladam ante idhe... oka sari Covid vachina vadiki malli radu ane guarantee ledu... also side effects unnayi.... 

db health experts tho class peekinchaali neeku set ayipothaavu

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17 minutes ago, reality said:

thread lo derogatory quote chesi madda kudisina lamdike gadivi nuvve cheppali...

osey @Daaarlingninnu db lo andaru enduku engutharo ippudu artham ayyindi... aadi quote lo antha humor emundhe... likingulu sesthunnav... randi saali... 😂 

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On 10/5/2020 at 7:43 PM, tom bhayya said:

db health experts tho class peekinchaali neeku set ayipothaavu

enduku le vaa aa time poriltho chat cheste kanisam okarni ayina dinner date ki set chesukovachu....

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