Covid-19: The extent of spread in India and Stage 3 concerns
Friday, 10th April 2020
The study was conducted on 5,911 patients of SARI or Severe Acute infection, caused by the Sars-CoV-2 virus, in 52 districts in 20 states and union territories between February 15 and April 2.
The study showed that only 104 people (1.8 per cent) tested positive for COVID-19. Out of this group, 40 per cent cases failed to have any international travel history or contact with laboratory tested confirmed COVID-19 positive case.
This study by ICMR has been published within the latest issue of the Indian Journal of Medical Research (IJMR). SARI surveillance was initiated within the early phase of the COVID-19 outbreak in India.
Among the 965 SARI samples tested between February 15 and March 19, only two (0.2%) were positive for COVID-19. But when the testing strategy was expanded to incorporate all SARI patients, out of 4,946 samples, 102 (2.1%) were positive for Sars-CoV-2.
Some experts say that these studies suggested the disease has entered the "community transmission" phase (Stage 3) within the country. "One might not prefer to call it community transmission, but this can be of course community transmission of COVID-19," said Dr T Jacob John, professor emeritus and former head of virology at the Christian Medical College, Vellore.
Community transmission is the third of the four stages of the spread of an infectious disease. The primary is travel history, the second is the local transmission, the third is community transmission, and therefore the fourth is epidemic.
India has maintained that the disease is within the second stage, or between stage two and stage three with "limited community transmission" in some clusters.
R Ganga Ketkar, the senior scientist at ICMR, reiterated that the country has still not reached Stage 3 of the disease spread.
A few days ago, AIIMS Director Randeep Guleria had said that the threat of community transmission is dangerous given the number of cases. "It becomes even more serious if people don't understand their responsibility of social distancing, home quarantine and avoiding crowded areas," Guleria told. "Data from the US and Europe is pretty frightening and worrying. we've to require all steps that we don't move in this direction," he added.
Meanwhile, the amount of COVID-19 positive cases reached 6412 on Friday morning, the health ministry said. India reported 30 COVID-19 related deaths within the last 24 hours, taking the number of fatalities to 199 across the country, it further said.Latest
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