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Herd immunity, also called community immunity, occurs when a large part of the population is immune to a specific disease through infection or vaccination. At this stage of any disease outbreak, person-to-person transmission becomes less likely, thus helping control the pandemic/epidemic. Herd immunity has been touted as a way to stop the spread of COVID-19. But currently, we are nowhere close to having herd immunity levels needed to stop the coronavirus, said World Health Organisation (WHO) officials.
The first sero-survey conducted by the Indian Council of Medical Research (ICMR) in May had revealed that the nationwide prevalence of novel coronavirus infection was only 0.73 per cent. The soon-to-be-released second sero-survey also indicates that the Indian population is far from achieving herd immunity, Union Health Minister Harsh Vardhan said during an interaction with his social media followers on 'Sunday Samvaad' platform.
How long would India take to develop COVID-19 herd immunity? Watch the video to get the answer from Dr Randeep Guleria, Director, All India Institute of Medical Sciences (AIIMS).
Tobacco Adverse Effects: According to research consumption of tobacco is the leading cause of death in men. Around 80 to 90% of people are diagnosed with lung cancer and have a history of tobacco smoking.
A 40-year-old man who weighed 112 kg underwent bariatric surgery post-COVID infection. Here's how the surgery helped him live his life.
Ever thought what is that one COVID-19 symptom that you will definitely suffer from when you catch the virus? Read on to know.
Brain cancer starts with a malignant brain tumour, which is the result of an overgrowth of cells in the brain.
According to the Union Health Ministry's latest data, the active COVID-19 cases in India rose to 109,568 on Sunday.
On December 28 the DCGI approved COVOVAX for restricted use in emergency situations in adults in the 12 to 17 years of age group. The director of Government and Regulatory Affairs at Serum Institute of India (SII) applied to DCGI on March 16. India launched a vaccination drive for people more than 45 years of age on April 1.