According to Alex Jones the symptoms will appear in most in 6 mths to a year.

His video on how this has been planned out for years also includes info on what the effects will be over time. Key words: death, infertility, brain damage. This is a must watch video

https://www.infowars.com/posts/sunday-live-globalists-planning-bigger-pandemic-to-finally-impose-new-world-order/