Page 16 - Latest Updates on Herd Immunity
When will we reach herd immunity? Here are 3 reasons why we don't know yet
Overall vaccine effectiveness appears to drop about ten percentage points with Delta variant. Lower the vaccine effectiveness, the higher the level of coverage that'll be needed to control Covid well
 "When will we reach herd immunity? Here are 3 reasons why we don't know yet")
Herd immunity unlikely, but CDC says vaccinated people can ditch masks
Experts have estimated that between 60 per cent and 90 per cent of people in the US would need to be vaccinated for that to happen
 "Herd immunity unlikely, but CDC says vaccinated people can ditch masks")
India's Covid-19 'human barricade' to keep cases under control: Experts
Cases that were rising by nearly 100,000 a day in September are now growing at just 10,000 a day
 "India's Covid-19 'human barricade' to keep cases under control: Experts")
Delhi may be heading towards herd immunity, indicates sero-survey
The survey has found that in one district, 50-60 per cent of the sampled population has developed antibodies to Covid-19, sources said
 "Delhi may be heading towards herd immunity, indicates sero-survey")
Path to normalcy via herd immunity
The need of the hour is the release of data on seroprevalence, created through scientific surveys in each city, every week
 "Path to normalcy via herd immunity")
Coronavirus LIVE: Covid-19 situation in Delhi stabilising, says NITI Aayog
Coronavirus live updates: At 18,55,341, Maharashtra has the highest number of coronavirus cases, followed by Karnataka 894,004, Andhra Pradesh 872,288, Tamil Nadu 791,552, and Kerala 639,664
 "Coronavirus LIVE: Covid-19 situation in Delhi stabilising, says NITI Aayog")
India Coronavirus Dispatch: Health insurance premiums surge two-fold
Arthritis drug can reduce death rate in Covid-19 patients by 71 per cent, new study sheds light on virus, scams in the name of cures, and more-news on how the country is coping with the pandemic
 "India Coronavirus Dispatch: Health insurance premiums surge two-fold")
Immunity hurdle for a shot at Covid vaccine; govt working on priority list
Rapid antibody tests at dedicated Covid-19 vaccination centres to act as screening tool
 "Immunity hurdle for a shot at Covid vaccine; govt working on priority list")
Coronavirus LIVE: Delhi past 2nd wave peak, situation mostly controlled: CM
Coronavirus update: Maharashtra has 1,453,653 coronavirus cases, Andhra Pradesh 723,512, Karnataka 647,712, Tamil Nadu 625,391 and UP 417,437. Stay tuned for coronavirus India LIVE update
 "Coronavirus LIVE: Delhi past 2nd wave peak, situation mostly controlled: CM")
Covid-19 herd immunity may be an impractical public health strategy: Study
"The herd immunity concept is tantalizing because it spells the end of the threat of Covid-19," said study lead author Toby Brett
 "Covid-19 herd immunity may be an impractical public health strategy: Study")
Reinfection & immunity: Why catching Covid-19 twice is no reason for panic
Specialised immune cells in the body are tasked with remembering each particular infection, so if you get infected again your body quickly starts producing the relevant antibodies
 "Reinfection & immunity: Why catching Covid-19 twice is no reason for panic")
Take it with a pinch of salt: Scientists doubt Russia's Covid vaccine claim
The announcement should be taken with a pinch of salt, said Indian immunologist Vineeta Bal
 "Take it with a pinch of salt: Scientists doubt Russia's Covid vaccine claim")
Britain records more than 1,000 new infections, highest since June
The last time the number was over 1,000 was on June 26
 "Britain records more than 1,000 new infections, highest since June")
US Covid cases top 5 million; Brazil hits grim milestone of 100,000 deaths
Last week, the country's top infectious diseases official had offered hope to citizens citing that an effective vaccine might be available by the year end
 "US Covid cases top 5 million; Brazil hits grim milestone of 100,000 deaths")
From one million to two million, India's Covid count doubles in 3 weeks
In this duration, the number of deaths rose from 25,000 to 40,000
 "From one million to two million, India's Covid count doubles in 3 weeks")
US to pay over $1 bn for 100 mn doses of J&J's potential Covid-19 vaccine
J&J has already received $1 billion in funding from the US
No matter who develops vaccine, India will have to scale it up: ICMR chief
ICMR Director General Balram Bhargava told Ruchika Chitravanshi, in an email interview, that he's hopeful of a vaccine soon and that many countries were in touch with India for its distribution
 "No matter who develops vaccine, India will have to scale it up: ICMR chief")
Why big nations have been brought low by the coronavirus pandemic
It's looking increasingly likely that India will wind up being the country with the most cases in the world
 "Why big nations have been brought low by the coronavirus pandemic")
Rich nations rush to lock up Covid vaccines: What about rest of the world?
Moves by the US and UK to secure supplies from Sanofi and partner GlaxoSmithKline Plc, and another pact between Japan and Pfizer Inc., are the latest in a string of agreements
Karnataka Chief Minister Yediyurappa tests positive for coronavirus
Earlier during the day, Union Home Minister Amit Shah said he has tested positive for coronavirus
 "Karnataka Chief Minister Yediyurappa tests positive for coronavirus")
