Not the first time I've heard about this and it makes sense. Sadly people mentioning things like this get censored / deplatformed because their opinions go against the government policy. Like this person in my country:<p><a href="https://www.maurice.nl/tag/humidity/" rel="nofollow">https://www.maurice.nl/tag/humidity/</a>
Some countries are boasting that their superior policies prevent the spread so the other countries should learn from them. I doubt it.
While the difference of Sweden and nearby countries can be explained by the policy difference, It's hard to believe most Asian countries doesn't suffer that severely can be explained by policy alone.
Here is an air quality presentation by none other than Hey spokesman DHH:<p><a href="https://twitter.com/dhh/status/1101552528632643584?s=20" rel="nofollow">https://twitter.com/dhh/status/1101552528632643584?s=20</a>