write about covid-19,strain vaccination
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India has become the latest country to report cases of new COVID-19 strain of that was first reported in the UK. The strain has tempered coronavirus vaccine optimism as experts believe that the mutant virus is potentially more transmissible.
The strain has already reached a number of countries, including Italy, Sweden, France, Spain, Switzerland, Germany, Canada, Japan, prompting more than 50 countries, including India, to impose travel restrictions on the UK.
Explained: Are new coronavirus strains cause for concern?
The Health Ministry on December 29 said that six UK returnees tested positive for the new UK variant genome. Three samples in NIMHANS of Bengaluru, 2 in CCMB, Hyderabad and 1 in NIV, Pune tested positive for the new variant.
COVID-19 Vaccine Frequently Asked Questions
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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?
What does it take to develop a vaccine of this kind?
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Does it spread more easily? Make people sicker? Treatments and vaccines won’t work? Questions are multiplying as fast as new strain of the coronavirus. Here’s what we know about the new coronavirus variant: