WHO warns Tanzania against Covid-19 inaction Monday February 22 2021 A man on May 22, 2020 leaves a steam inhalation booth installed by Tanzanian herbalist Msafiri Mjema in Dar es Salaam, which is touted to prevent Covid-19 infection. WHO has appealed to Tanzania to take "robust action" against Covid-19 in the country. PHOTO | AFP Summary Contrary to a widely held government position that there is no Covid-19 in Tanzania, the government announced eight specific measures to stop its spread. Advertisement Dar es Salaam, The World Health Organization (WHO) has called on Tanzania to take "robust action" to combat Covid-19 in the country. Director General Tedros Adhanom Ghebreyesus, in a statement on Sunday, said a number of Tanzanians travelling to neighbouring countries and beyond have tested positive for the coronavirus.