Andhra Pradesh fresh COVID-19 cases dip to 7,956; Tally rises to 5.75 lakh
With 7,956 fresh cases detected in the last 24 hours 9 am on Sunday, the total number of cases rose to 5,75,079 while the recoveries increased to 4,76,903.
by PTIFresh COVID-19 cases in Andhra Pradesh slumped below the 8,000 mark after about three weeks on Monday, taking the tally to 5.75 lakh, but the number of tests too came down by more than 10,000.
As many as 9,764 patients got cured and discharged from hospitals, while 60 more succumbed to the pandemic as the toll mounted to 4,972, a government bulletin said.
With 7,956 fresh cases detected in the last 24 hours 9 am on Sunday, the total number of cases rose to 5,75,079 while the recoveries increased to 4,76,903.
The number of active cases decreased further to 93,204. While the infection positivity rate has been increasing daily, touching 12.34 per cent on Monday, the recovery rate too improved to 81.23 per cent.
COVID-19 Vaccine
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How does a vaccine work?
A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.
How many types of vaccines are there?
There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.
What does it take to develop a vaccine of this kind?
Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
The mortality rate dipped marginally from 0.87 per cent to 0.85 per cent.
Chittoor has now become the fourth district in the state to cross the 50,000 cases mark.
East and West Godavari districts continued to add new cases in excess of a 1,000 daily.
East Godavari's overall positive cases rose to 78,220, with 12,022 of them now active while the Wests gross stood at 51,565 with 8,813 active cases, according to the bulletin. Anantapuramu district stopped just short of the 50,000 tally but it has only about 4,000 active cases.
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