by Louis GENOT RIO DE JANEIRO, Brazil (AFP) — Four months into a Covid-19 vaccination campaign marred by shortages and delays, hard-hit Brazil is still struggling to find enough doses, as political and diplomatic blunders prolong its pandemic nightmare. Around 33 million people — 15 percent of the population — have received at least one vaccine dose in Brazil, a proportion still too small to have a substantial impact on the virus’ spread. Targeted by […]