State’s containment measures pay off
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The third spherical of sero surveillance performed by the Indian Council for Medical Research (ICMR) in three districts within the State in mid-December, as a part of the nationwide sero survey, has put the sero positivity price (IgG positivity, indicative of silent, prior publicity to SARS- CoV-2) on the time at 11.6%.
This is a bounce by 14.5 instances from August, when the ICMR’s second spherical of sero survey had indicated a sero prevalence of 0.8% within the State.
The sero survey was performed in Ernakulam, Thrissur and Palakkad in December 2020.
The ICMR’s technique has been to do repeated cross sectional sero research in the identical geographic areas in order that the illness transmission traits could be traced. The first spherical of sero survey in May in the identical districts had proven a sero prevalence of 0.33 %, whereas the second spherical in August confirmed the sero prevalence to be 0.8%.
When in comparison with the nationwide common, Kerala’s sero prevalence (11.6%) as of December was simply half that of the nationwide common (21%). This reveals the effectiveness of sturdy containment measures within the State, together with quarantine, contact tracing and testing methods, it’s claimed.
However, the opposite aspect of the story is that, if the sero prevalence on the nationwide degree went up by 3.1 instances between August and December, in Kerala, this went up by 14.5 instances throughout the identical interval.
Extrapolating the third spherical sero survey outcomes to the State’s inhabitants and evaluating it with the precise variety of circumstances that had been detected within the State round that point (December), it may be seen that for each case formally identified and detected, the State had missed solely about six infections locally.
Kerala fares extraordinarily effectively if that is in contrast on the nationwide degree, whereby 30 infections had been being missed for each case detected in December. This signifies the efficacy of the focussed testing technique adopted by the State.
The sero prevalence price thrown up by the ICMR research signifies that an enormous proportion of the State’s inhabitants continues to be vulnerable to COVID-19.
Ironically, Kerala appears to be paying the worth for the efficient management measures that had been being adopted. The 100% compliance and cooperation proven by the general public in adopting common masking and different COVID-19 protocols ensured that illness transmission remained gradual and regular locally.
Given the character of the an infection and the present sero prevalence price locally, Kerala’s engagement with COVID-19 goes to be an extended affair. Cases will proceed to happen, with occasional native outbreaks, necessitating stronger management measures. All non-pharmacological technique of COVID-19 management — masks, hand sanitation, bodily distancing — must be maintained strictly.
As the State goes via the agony of the prolonged epidemic, the true problem for Kerala within the coming months could be devising methods to maintain the mortality price down. However, no discussions on this appears to have come up in any public fora.
The authorities has demanded that the State be given for the COVID-19 vaccination drive.