I was redirected to a website called 17ebook.co, now apparently my phone is infected with 5 (five) Trojans and if I don

Today I was randomly redirected to website called 17ebook.co and then to a website called macso-supp-action.com, which said “your iPhone has been infected with five Trojans” or something like that, and then proceeded to make all kinds of threats that if I didn’t take antivirus, security measures are some thing that this and that and this and that would happen. I don’t know what to do. Please help. Thank you. All help is greatly appreciated.