CHENNAI: The effect of the Covid-19 pandemic was still visible in the state's mortality registers in 2022 although deaths due to the viral infection dropped drastically, shows an analysis by the Tamil Nadu Public Health Directorat https://rextester.com/UVITZ30882 https://rextester.com/RCLL36942 https://rextester.com/UDOQ71562 https://rextester.com/YWYQ82871 https://rextester.com/BTLWHP35060 https://rextester.com/ILO93784 https://rextester.com/JRDHD52935