ZIHguen Frescas Las Mañanas

Not really, It was as effective as the other vaccines in preventing serious illness. But somewhat more people became ill than with the J&J vaccine, which THEORETICALLY that they could be more likely to transmit it. while it is suggested that a booster may be needed, there are concerns that boosters of all the others will be needed too.If I had a choice I'd take either Moderna or Pfizer over J&J or CanSino. Were it the only vaccine available to me, I would not hesitate in receiving it.