COVID-19 variants Covid variants' transmissibility and clinical severity have been occasionally estimated, generally relative to the original Wuhan-strain. Covid variant Transmissibility (\% increase from Wuhan) Clinical Severity (\% increase from Wuhan) , British variant 5 ( higher) ( more lethal), Callifornian variant5 (  () higher)Under investigation variant5 ( higher)Under investigation variantUnder  investigationUnder investigation, P1 variant5 ( higher)( more lethal)
COVID-19 variants Covid variants' transmissibility and clinical severity have been occasionally estimated, generally relative to the original Wuhan-strain. Covid variant Transmissibility (\% increase from Wuhan) Clinical Severity (\% increase from Wuhan) , B.1.1.7 5 ( higher) ( more lethal), CAL.20C (B.1.427 B.1.429)5 ( () higher)Under investigation B.1.3515 ( higher)Under investigation B.1.617 sublineagesUnder investigationUnder investigation, P.15 ( higher)( more lethal)
R
British variant
B.1.1.7
R
Callifornian variant5 (
CAL.20C (B.1.427
A
B.1.429)5 (
R
variant5
B.1.3515
R
variantUnder
B.1.617
A
sublineagesUnder
R
P1 variant5
P.15