ROSHAN ABRAHAM and ANURAG MAAN COVID-19-related deaths worldwide crossed 3 million yesterday, according to a Reuters tally, as the latest global resurgence of COVID-19 infections is challenging vaccination efforts across the globe. Worldwide COVID-19 deaths are rising once again, especially in Brazil and India. Health officials blame more infectious variants that were first detected in the United Kingdom and South Africa, along with public fatigue with lockdowns and other restrictions. (Open in an external browser for global COVID graphic) According to a Reuters tally, it took more than a year for the global coronavirus death toll to reach 2 million.…