Part of why SARS-CoV-2 is so hard to handle is the long incubation period, with many people being asymptomatic carriers and other people having initial symptoms

Part of why SARS-CoV-2 is so hard to handle is the long incubation period, with many people being asymptomatic carriers and other people having initial symptoms that look a lot like much less rare diseases. Is there a reason to think we couldn't have another disease that worked this way but with detection being even harder?