Infection of tumor cells with conditionally replicating adenovirus results in tumor-specific replication,subsequent oncolysis and release of the virus progeny.
Although the main cause of bronchiolitis is respiratory syncytial virus, it can be caused by other viruses like adenovirus, human bocavirus, and human metapneumovirus.
The recombinant protein vaccine is the third type of COVID-19 vaccine that China has provided to other countries, following inactivated vaccines and adenovirus vector vaccines.