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Dam ṭha lai covid vei angin an min sawi maw?

Writer's picture: Lalchhandama VangchhiaLalchhandama Vangchhia

RAT vang hian false positive nge tam false negative?


Tunah hian mi 374269 vel India ramah covid postive ang kan ni ta a. Heihi a dik angin kan la ang a. Chuan heihi kan analyse ang a. A dik zawk kan tih chhuah kan tum dawn a ni.


India population hi 1 billion angah ngai ta ila. Covid vei mi 400000(approx) an awm ang a lo ni dawn a ni. Covid veilo chu 999.6 million.



RAT test hi 34% false negative rate a nei angah ngai ila. False positive rate hi 2% ah dah ila. False positive rate hi hei aia sang hi RTPCR ah pawh a ni a. Mahse 2% hi online a claim ka hmuh hniam ber a nih vangin ka rawn tarlang a ni.



A positive tak tak ho kha RAT ta vek ila. 34% kha false negative an ni a. Chu chu 1.36 lakh false negative. 3.64 kha true positive an ni a.



Negative mi 999.4 million kha kan test ve ta a. 2% kha false positive an ni a. Chu chu mi 1998 lakh a ni dawn a. Henghi false positive chu an ni. True negative chu 9794 lakh an ni.



False negative 1.36 lakh

False positive 1998 lakh


Hetiang ratio 1:2000 vel hian false positive leh false negative hi a lo awm ve zel dawn a ni.


False positive hi a tam lutuk a RAT ah hian.... False negative vanduai ta pawh an awm zeuh zeuh dawn niin a lang.... Kan mamawh chu



1. Capacity building- Symptomatic cases ho enkawlna tur ṭha. ICU, ventilators, staff etc.


2. District tinah RTPCR khawl bun ni se. Sample test nawn ni zel se.


V Lalchhandama

Computational Chemist

IIT Kharagpur

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1 Comment


Lallawmzuala khawlhring
Oct 26, 2021

Tihdan thlak deuh hi chu a ngai mawle, symptom neilo (Certificate mamawh) tan chuan RAT test hi huphurhawm deuh mai ania

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