Four months after the first Covid case was reported in the capital, the district has broken the paradox of primary cases causing no transmission or not spreading beyond the family of an index case. Primary cases known as ‘dead ends’ (where a good percentage did not infect anyone else) have now given way to ‘broad ways’ in the district; said an infectious disease expert.from Thiruvananthapuram News, Latest Thiruvananthapuram News Headlines & Live Updates - Times of India https://ift.tt/2W0bpnn
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