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India must gear up to face Covid-19 community transmission: Health expert

There is not only risk and but actually the threat of community transmission, said Dr Reddy, who presently serves as an Adjunct Professor of Epidemiology at Harvard University

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Coronavirus | AIIMS | Lockdown

BS Web Team & Agencies  |  Bengaluru 

Migrants waiting in queues to board buses departing for railway terminus, from where they will board trains to travel to their native places, during the ongoing nationwide Covid-19 lockdown, at Wadala in Mumbai. Photo: PTI
Migrants waiting in queues to board buses departing for railway terminus, from where they will board trains to travel to their native places, during the ongoing nationwide Covid-19 lockdown, at Wadala in Mumbai. Photo: PTI

India must gear up to face the possibility of community spread of the Covid-19, a prominent health expert said on Friday, cautioning that there could be more widespread transmission of the novel due to easing of the

On some experts suggesting that there is already community transmission (stage 3) of the virus in the country, President of Public Health Foundation of India, Prof. K Srinath Reddy maintained that it is a matter of definition.

Because, if one looks at the spread to people without history of travel or history of contact, certainly there are several such cases, he said.

"But most of them are concentrated around the original points of entry of the foreign travellers or the travel routes of their contacts. So, these people who are describing it as stage 2 still are saying this is traceable local transmission, it is not unpredictable community transmission," he told PTI.

"Therefore, we are avoiding the term community transmission. It is a matter of definitions and language; we need not debate that really," Reddy, who formerly headed the Department of Cardiology at All India Institute of Medical Sciences (AIIMS), said.

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But he said it should be recognised that community transmission has occurred in virtually every country which experienced this pandemic in a major form and India should also be prepared for it and act as though it is happening and take all precautionary containment measures.

There is not only risk and but actually the threat of community transmission, said Reddy, who presently serves as an Adjunct Professor of Epidemiology at Harvard University.

According to him, nations in South East Asia, including Malaysia, and India in particular, have kept the Covid-19 death rates per million of the population low compared to countries where the pandemic broke out around the same time.

He said the low death rate in India could be the benefit of multiple factors such as younger age group, more rural population, temperature and climatic conditions as well as the benefits the containment measures which preceded lockdown, and then got much more consolidated with the

"It's quite possible that all of these factors have been helpful and we have seen that benefit," Reddy said.

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"But we need to continue to consolidate that. There are some risk factors when the opens there will be much greater mobility of people, there could be more widespread transmission of the virus, so we have to maintain as much as possible physical distancing, continue practices like wearing masks and hand-washing as precautionary measures," he said.

"Things are going to be difficult in overcrowded areas, especially in slum areas. We will have to try and provide as much facilities as possible, particularly for elderly people and to people with co-morbidities, whether they can be provided temporary shelters elsewhere with good social cares."

Fortunately, he said, most of the infections are restricted to large cities and areas radiating around them.

Referring to the return of migrant workers, he said care must be taken to see that they themselves will not be victims of the epidemic, and at the same time they don't infect others.

"But most important thing is to protect the rural areas (from Covid-19) because two-thirds of India is in rural areas, and the transmission of the virus is low there because mobility is low," Reddy said.

Several precautionary measures have to be taken in order to contain the virus because the risk of transmission will certainly increase with the lifting of the lockdown.

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"We must recognise that this virus is going to stay on for some time and we have to make sure that at least for the next one year, we try and keep the virus as slowly moving as possible by physical distancing and other protective measures like masks and handwashing."

"Evolutionary biology of the virus says that when the movement is greatly restricted and its chances of transmission are greatly reduced, the virus actually can turn into a milder virus," said Reddy, who is also an Adjunct Professor of the Rollins School of Public Health, Emory University and Honorary Professor of Medicine at the University of Sydney.

"So, we will have to do everything to reduce the transmission, speed and number, at the same time try and moving it towards milder form to our own defensive measures. So, while there are threats, there are also opportunities for us to protect ourselves and even control not only the spread of the virus but also the virulence of the virus," he added.

First Published: Fri, May 15 2020. 12:17 IST
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