1
This map from the UK NHS shows the areas of Namibia that have the most serious risk of malaria. Antimalarials wold be usually be recommended for the dark red area.One caveat--if you, personally, have some reason why you'd be at serious risk of complications should you get malaria, then you might want to consider antimalarials in other parts of the country, This is something you need ot discuss with your own doctor
3
We were told by Canadian Public Health officials that malarials are recommended to anyone going to Namibia. Period. That said, in Swakop in sept we saw very few mosses. In Sossus a few, but not enough enough to merit the use of a mosquito net. But that was Sept. I guess it depends on your level of risk-taking? We were travelling with kids so were super cautious.4
I had a look at the UK NHS map of China and found it largely exaggerated.There is malaria in small pockets in Yunnan, but they coloured the whole province (with an area of a medium European country) red. Malaria is not a problem at all in the Yangtse-river upstream of Chongqing.
Hence I assume, the people from NHS are overly cautious.
Are there any sources from inside Namibia?
Are there any information about the risk of malaria in the Etosha national park?

