December 8, 2022
Virus mutation, human behaviour cause multiple waves in a pandemic: AIIMS director | India News - Times of India

NEW DELHI: In case of pandemics attributable to respiratory viruses, there are multiple waves however the an infection turns into seasonal when giant half of the inhabitants develops immunity both by vaccinated or by pure an infection, AIIMS director Dr Randeep Guleria stated amid issues about multiple waves of Covid-19.
“In respiratory viruses – whether it is influenza or coronavirus, when there is a pandemic then usually waves come. This happens because in the beginning the population is susceptible and so multiple waves come and then virus becomes endemic and then infection has seasonality,” Dr Guleria stated, pointing at comparable developments witnessed throughout Spanish flu in 1918 and even throughout H1N1 Swine flu pandemic in 2009.
Now, H1N1 Swine flu instances are often seen throughout monsoons and winters.
Cautioning folks in opposition to complacency, Dr Guleria stated the waves happen as a result of the virus adjustments to an extent resulting in completely different variants like Alpha and Delta variants of SARS-CoV2 have been detected, however additionally it is as a consequence of change in human behaviour.
“Whenever cases increase, there is fear and human behaviour changes. People start following Covid-appropriate behaviour and other non-pharmaceutical measures like lockdown are implemented and therefore, the chain of transmission breaks and cases stop spreading. But as cases start declining and unlocking happens, human behaviour again changes. There is crowding and people do not wear masks properly,” Guleria stated.
He emphasised that to cease mext waves, Covid-appropriate behaviours have to be adopted aggressively until a important half of the inhabitants is vaccinated.

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