The second wave of the Covid-19 pandemic is receding, albeit at a much slower rate in Kerala, which has now confirmed the first Zika virus infection. It was confirmed on Thursday in Thiruvananthapuram in a 24-year-old pregnant woman. <br />Meanwhile, 15 more people have tested positive for the virus. <br />The Zika virus was discovered in monkeys in Uganda's Zika Forest in 1947 and has since caused several outbreaks around the world. <br />There are no available vaccines or antiviral drugs for prevention or treatment. In 2016, WHO declared it a Public Health Emergency of International Concern.