Sheikh Mohamed bin Zayed, Crown Prince of Abu Dhabi and Deputy Supreme Commander of the Armed Forces, has ordered the donation of half a million Covid-19 vaccine doses to Tunisia. The country is struggling to contain a second wave of infections. Sheikh Mohamed spoke with Tunisian President Kais Saied on the phone on Sunday. He told Mr Saied the UAE was keen to help the North African country to curb Covid-19. They also discussed ties between their countries and ways to enhance co-operation in all sectors. The surge has been blamed on the more infectious Delta variant, which has placed the country’s healthcare system under severe strain. Many hospitals have been left overflowing with patients and the test positivity rate in the country has soared to about 30 per cent. Some regions have returned positivity rates of up to 50 per cent. <a href="https://www.thenationalnews.com/mena/2021/07/06/tunisias-hospitals-overwhelmed-as-delta-variant-causes-covid-19-surge/" target="_blank">Last week</a> Tunisia recorded its highest daily death toll since the pandemic began, with 194 fatalities on Saturday. <br/>