New Delhi, June 5 -- There is a greater need to understand the transmission of the new covid wave, a disease control expert said, at a time when the number of cases in the country is inching closer to 5,000.

Communities were flu-like symptoms lead to a rush of covid-19 hospitalizations need an epidemiological investigation-a process to figure out how it spreads and stop the transmission-according to Dr. Sujeet Singh, who led the National Centre for Disease Control (NCDC) during the pandemic outbreak five years ago. This will uncover transmission dynamics, trends among hospitalized cases and epidemiological profile of cases, besides assessment of morbidity and associated severity, Singh said in an interview.

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