And they obviously didn't work in Germany, France, USA, Canada, England, Italy, Netherlands, Finland, Austria, Spain, Brazil, Mexico and so on.

Edit: 1.1 Argentina 1.2 Australia 1.3 Austria 1.4 Bangladesh 1.5 Cambodia 1.6 Canada 1.8 Denmark 1.9 Fiji 1.10 France 1.11 Ghana 1.12 India 1.13 Indonesia 1.13.1 Large-scale social restrictions 1.13.2 Community Activities Restrictions Enforcement 1.14 Iran 1.15 Ireland 1.16 Italy 1.17 Malaysia 1.18 Myanmar 1.19 Namibia 1.20 Nepal 1.21 Netherlands 1.23 Nigeria 1.24 Pakistan 1.25 Philippines 1.26 Russia 1.27 Singapore 1.28 South Africa 1.29 Thailand 1.30 United Kingdom 1.31 United States 1.32 Vietnam