But experts said the sickness is nothing unexpected: The protective effects of vaccines are known to take at least a couple of weeks to kick in. Bell received his first dose of Pfizer’s vaccine Dec 15 and will be getting his second shot soon. The California nurse, identified as Matthew W, 45, in an ABC10 News report, received his first dose of Pfizer’s vaccine Dec 18. “It’s a 2-shot vaccination.” Ranney received her first dose of Pfizer’s vaccine Dec 18. “There’s no vaccine that’s 100% effective.”It is also unclear how well Pfizer’s vaccine can guard against asymptomatic infections or if it will substantially curb the coronavirus’s ability to spread from person to person.

Source: bd News24 January 01, 2021 05:03 UTC