Q&A about COVID-19 - Social Media collection - PAHO/WHO

	Can I donate blood after receiving the COVID-19 vaccine? Can pregnant and lactating women be vaccinated against COVID-19? Can people vaccinated against COVID-19 spread the infection? Can I get the second dose of COVID-19 vaccine from a different brand than my first dose? Are the COVID-19 vaccines effective against the delta variants? Can children be vaccinated against COVID-19? I have HIV, can I get vaccinated against COVID-19? Should a person with allergies take the COVID-19 vaccine? How soon after receiving another vaccine can I take the COVID-19 vaccine? Why are people that have recovered from COVID-19 getting vaccinated?