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COVID-19 has triggered the early retirement of old planes

If you fancied flying that B747-400 with KLM or the A340-600 with Virgin Atlantic, unfortunately you can’t! Read on to know why

April 13, 2020 / 11:35 IST
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As we entered 2020, the order books with both Boeing and Airbus were brimming. Airbus was struggling to deliver the A321 from Hamburg due to issues with its supply chain while it continued to log orders for A321XLR, arguably its most successful launch. Boeing was no different — it continued to grapple with issues related to the B737MAX and was moving to advanced testing phase for the B777X. Then COVID-19 struck.

As it stands today, both Airbus and Boeing have shut production lines at many of their production sites, if not all. Airbus has decided to decrease the production rate of A320, A330 and A350, while Boeing had already stopped production of the grounded B737 MAX early this year. Airlines are already talking about delaying deliveries and a lessor or two have processed cancellation of orders.

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An unlikely fallout of the crisis has been early retirements of old planes. If you fancied flying that B747-400 with KLM or the A340-600 with Virgin Atlantic, unfortunately, you can’t!

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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?

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.
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