Zim plunges into Covid-19 fourth wave

TINASHE MAKICHI/NYASHA KUNYISWA   Zimbabwe has plunged into a Covid-19 fourth wave following the emergence of the new Omicron variant which has fuelled a spike in new cases amid calls by experts and the government for citizens to be vaccinated. Daily infections surged to 4996 on yesterday up from 2555 on Monday—the highest rate of…