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. … [Read more...] about Delhi COVID hospitals get 1,300 ICU beds, 2,000 normal ones in two weeks; CM Arvind Kejriwal monitoring situation
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. … [Read more...] about Coronavirus state-wise tally November 5: Telangana’s COVID-19 tally rises to 2.45 lakh
With 286 mm of rainfall on average over seven days, Chennai was battered by rains in December 2015. The city also recorded the highest single-day rainfall in a century with 494 mm in Tambaram. In November 2015, the total rainfall recorded was 1018 mm, the highest since the year 1918. … [Read more...] about Cyclone Nivar may make landfall today: Could it be a repeat of 2015 floods for Chennai?
COVID-19 has had a disastrous effect on mobility startups, be it ride hailing outfits such as Ola and Uber or ride sharing entities such as Yulu and Bounce. Some industry estimates suggest that during the peak of the lockdown Ola saw a 95 percent decline in its business. While there has been some recovery as the country unlocks, daily commutes have drastically fallen. … [Read more...] about Exclusive: Ola goes slow in credit-card lane as COVID-19 takes a toll on its core, cab aggregating business
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. … [Read more...] about Supreme Court issues notices to Centre on petition to cap prices of COVID-19 tests