Calling on blood donors to help outpublished : 14 Jan 2021 at 04:00 newspaper section: [Life](http://search.bangkokpost.com/search/result_advanced?category=news&xNewsSection=Life) Many hospitals across the country are facing a historic blood-shortage crisis as the Thai Red Cross National Blood Centre doesn’t have enough blood due to a new wave of Covid-19, which has prevented people from leaving home. This time around, the number of blood donors has dropped by half and it is affecting patients w