**Leinster captain Johnny Sexton is raring to go for the Guinness Six Nations after overcoming injury and a bout of coronavirus.** The influential fly-half suffered knee and ankle damage during Ireland’s statement win over New Zealand in the autumn and was then struck down by a Covid-19 infection. Sexton starred on his first start since the All Blacks triumph, helping Leinster beat Bath 64-7 in the Heineken Champions Cup on Saturday after coming off the bench in his province’s 89-7 win over Montpellier the previous weekend. “I had a frustrating couple of months, post the New Zealand game,” said the 36-year-old. “But thankfully over the last few weeks I was able to step up in training and get back on the field unscathed.