Bacteria Difficulty Saudi or India Recommendation

If you start in Saudi or India, they are strong against heat from the beginning because of the high temperatures. Prioritize water transmission, then pigeons, then rats. For abilities, get cold resistance level 2, and medicine after developed countries are infected. After checking infected countries, take one from each transmission path and get medicine ability level 2. Then DNA will spread everywhere. At that point, get cough, sneeze, insomnia (essential) paranoia (patients refuse treatment). Follow that path up to mental confusion? Get that too.