HomeNewsOpinionAir travel woes: A time to reminisce about the lost romance of sea voyages

Air travel woes: A time to reminisce about the lost romance of sea voyages

As COVID-19 continues to keep international flyers from taking to the skies, it is a good time to reminisce about the world of international travel before jets compressed time and made distance immaterial.

October 04, 2020 / 18:47 IST
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As COVID-19 continues to keep international flyers from taking to the skies, it is a good time to reminisce about the world of international travel before jets compressed time and made distance immaterial.

While th earliest ships mostly carried cargo, in 1818 the Black Ball Line in New York became the first shipping company to offer regularly scheduled services for passengers from the United States to England. It took another decade for steamships to be introduced and thus began regular transatlantic trips for passengers.

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Indians too were active travellers by this time as men like Dwarakanath Tagore, Rammohan Roy and Michael Madhusudan Dutt set sail in quest of knowledge and learning. Conditions on board these ships varied. The Mahatma always travelled cattle class. Given his simple needs, goat’s milk and some nuts, that was enough to keep him in good humour. Many of his famous quips emerged from the decks of ships such as the SS Rajputana which he boarded on August 29, 1931 to attend the 2nd Round Table Conference in London.

Obviously the princes and other landed gentry who accompanied him snuck into the upper decks where service was excellent and a whole host of goodies awaited the traveller. Even when Swami Vivekananda began his famous journey to Chicago from Bombay on May 31, 1893, he travelled first-class thanks to the Raja of Khetri, who presented him with a ticket on the SS 'Peninsular' of the Peninsular and Orient Company.

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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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