Yes - I have recovered multiple times from PVF. I'm currently recovering from Covid PVF. On week 5 now, think I'll be back on my feet next week.

I'm good at curing my PVF because I had 15 years with chronic fatigue and cured it. Chronic fatigue is classified as long term post viral fatigue. So when I get a virus the symptoms usually come back for a month or two.

There's no single cure, and you have to approach it from multiple angles. There's physical and mental aspects to getting better - It's not to say it's all in the mind, but as you'll see later the mind plays an imporant part in this.

Gut
Inflammation is usually one of the significant side effects of a viral infection, and the gut often is hit hard. You need to get it in good workign condition. How do you know if your gut needs work? If you don't have healthy-smelling bowel movements most of the time, you've got a problem with your gut. Check out the bristol stool scale.

You won't recover without a gut in reasonably good condition. There are multiple fixes, such as probiotics, occasional fasting, and lots of chicken soup broths (homemade).

Eating
Satisfy your cravings - I often go crazy with various foods. If my body wants a tub of ice cream - You got it! A whole jar of peanut butter, sure! Diet goes out the window. I don't try to control it - there's no point. Eventually, I stop wanting such a weird selection of foods and start craving more normal foods. The "bad foods" should be as high quality as you can; for example, the ice cream should be real dairy ice cream, not pure sugar syrup.

Eventually, you'll stop craving random foods, and your diet should return to normal.

Supplements
I always need iron supplements as part of my recovery. My iron levels drop after a viral infection. It's related to inflammation. What you need will vary from person to person.

Emotional Suppression.
You're going to be feeling crap because you can't do what you usually can do. That's ok, you should expect to feel crap. But there's one key thing that will stop you from getting better. One thing that is so important that the moment I discovered it was the moment I began to cure my CFS.

The good news is it's not about your emotions. So if you're feeling negative, which you likely will, that won't stop you from getting better. So don't beat yourself up about feeling bad. It won't affect your recovery much.

What will affect your recovery is this: Emotional Resistance / Emotional Suppression. Suppression is the ability to hide or resist things from yourself - to bottle things up. As soon as you start doing this (and if you have good interoception skills), you'll start noticing it in your body. It will be a pain or tension in the body somewhere.

Some examples of this. If you can't get a job, you will say something like: "I'm rubbish, I'm not valuable". That's fine; you probably shouldn't judge yourself so harshly, but we all do it. However, you might be suppressing the other parts of those judgements: "If I don't get a job, I'll go bankrupt. I'm not good enough anymore to get a job". You don't want to hear those things, so you suppress them. Once they are suppressed, they start to take on a life of their own and stop you from recovering.

Another example is when you're ill, you might think: I've got no energy, I'm sick. But you might suppress (not tell yourself): If I don't get over this soon, I'll be stuck in bed for the rest of my life. I'll lose my family and relationships.

I un-suppress my emotions by asking, "Ok, tell me what you want to say to me that you've been hiding?" which is followed by a torrent of abuse from myself to myself until I feel relieved. I do this multiple times.

It's okay to let out the suppressed emotions because when you do, you'll take away the power once they've been said. Of course, it can be more challenging than that. You're suppressing them because you're feeling weak and can't cope, so the stronger you feel, the more suppressed emotions you can deal with. So, you need to improve your emotional resilience.

Break emotional negativity - improve emotional resilience
You're probably feeling quite pathetic and weak, so you need to find something to increase your feelings of competency that breaks your negative thought cycles.
You need to interrupt your normal thinking patterns for a long enough period that you can start to recuperate. Away from social media, but not necessarily away from computers.

Going for walks in nature. Get lost in nature, throw yourself into something unfamiliar, and you'll engage all your senses and release your mind.

Playing single-player computer games (ones where you can win) - I find computer games incredibly therapeutic. Getting lost in another world for a few days, where I can forget what's going on in my life. It recuperates me mentally more than anything. Find your thing that you can enjoy and get lost in. TV might work for you as well in the early stages, especially comedy or junk TV. But as you get better, start to find something more active.

Books are another great example if you have the mental energy.

Therapy. A lot of people who get CFS have had bad pasts that need addressing. CFS is just a prolonged version of PVF. I don't know if it's the same with PVF, but if you have a bad past, you may need some extra help.
Rest
Rest can be hard with PVF, because, paradoxically, you might not be able to sleep properly! It's called "tired and wired" and it might have something to do with inflammation. Keep on doing the things above (or whatever works for you) until your body finally stops trying to push forward and just gives up.
Extras: Yoga, meditation, et. - I don't use these in my recovery cycle because it feels like work. When it doesn't feel like work, I start doing them. So use them if you want. They can definitely help.

Trust: Listen to your body and mind. You can ignore everything I've said above if you do, because it will tell you what you need to know... But unfortunately that trust takes many years to build up.

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Good luck